80616492 has 144 divisors (see below), whose sum is σ = 238336000. Its totient is φ = 23522400.

The previous prime is 80616469. The next prime is 80616493. The reversal of 80616492 is 29461608.

80616492 is a `hidden beast` number, since 8 + 0 + 6 + 1 + 649 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80616493) 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, 405009 + ... + 405207.

Almost surely, 2^80616492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80616492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119168000).

80616492 is an abundant number, since it is smaller than the sum of its proper divisors (157719508).

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

80616492 is a wasteful number, since it uses less digits than its factorization.

80616492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 80616492 is about 8978.6687209185. The cubic root of 80616492 is about 431.9909334517.

The spelling of 80616492 in words is "eighty million, six hundred sixteen thousand, four hundred ninety-two".