162874890 has 48 divisors (see below), whose sum is σ = 424333728. Its totient is φ = 43345248.

The previous prime is 162874879. The next prime is 162874903. The reversal of 162874890 is 98478261.

162874890 is a `hidden beast` number, since 162 + 8 + 7 + 489 + 0 = 666.

It is a super-3 number, since 3×162874890³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51289 + ... + 54371.

It is an arithmetic number, because the mean of its divisors is an integer number (8840286).

Almost surely, 2^162874890 is an apocalyptic number.

162874890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162874890 is an abundant number, since it is smaller than the sum of its proper divisors (261458838).

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

162874890 is a wasteful number, since it uses less digits than its factorization.

162874890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 162874890 is about 12762.2447085143. The cubic root of 162874890 is about 546.1157625976.

The spelling of 162874890 in words is "one hundred sixty-two million, eight hundred seventy-four thousand, eight hundred ninety".