981452160 has 512 divisors, whose sum is σ = 3978979200. Its totient is φ = 226492416.

The previous prime is 981452117. The next prime is 981452179. The reversal of 981452160 is 61254189.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3818752 + ... + 3819008.

Almost surely, 2^981452160 is an apocalyptic number.

981452160 is a gapful number since it is divisible by the number (90) 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 981452160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989489600).

981452160 is an abundant number, since it is smaller than the sum of its proper divisors (2997527040).

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

981452160 is a wasteful number, since it uses less digits than its factorization.

981452160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 981452160 is about 31328.1368740626. The cubic root of 981452160 is about 993.7787631404.

The spelling of 981452160 in words is "nine hundred eighty-one million, four hundred fifty-two thousand, one hundred sixty".