1641492160 has 336 divisors, whose sum is σ = 5137026048. Its totient is φ = 493516800.

The previous prime is 1641492157. The next prime is 1641492169. The reversal of 1641492160 is 612941461.

It is a happy number.

It is a super-2 number, since 2×1641492160² = 5388993022682931200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1641492169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5346727 + ... + 5347033.

It is an arithmetic number, because the mean of its divisors is an integer number (15288768).

Almost surely, 2^1641492160 is an apocalyptic number.

1641492160 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 1641492160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2568513024).

1641492160 is an abundant number, since it is smaller than the sum of its proper divisors (3495533888).

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

1641492160 is a wasteful number, since it uses less digits than its factorization.

1641492160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1641492160 is about 40515.3324063866. The cubic root of 1641492160 is about 1179.6312550767.

The spelling of 1641492160 in words is "one billion, six hundred forty-one million, four hundred ninety-two thousand, one hundred sixty".