162954820 has 48 divisors (see below), whose sum is σ = 392636160. Its totient is φ = 55649664.

The previous prime is 162954769. The next prime is 162954829. The reversal of 162954820 is 28459261.

It is a super-2 number, since 2×162954820² = 53108546722464800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162954820.

It is not an unprimeable number, because it can be changed into a prime (162954829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35497 + ... + 39823.

It is an arithmetic number, because the mean of its divisors is an integer number (8179920).

Almost surely, 2^162954820 is an apocalyptic number.

162954820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162954820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196318080).

162954820 is an abundant number, since it is smaller than the sum of its proper divisors (229681340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162954820 is a wasteful number, since it uses less digits than its factorization.

162954820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 162954820 is about 12765.3758268216. The cubic root of 162954820 is about 546.2050824724.

It can be divided in two parts, 16295 and 4820, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 162954820 in words is "one hundred sixty-two million, nine hundred fifty-four thousand, eight hundred twenty".