80621610025320 has 384 divisors, whose sum is σ = 327773111178240. Its totient is φ = 16731416401920.

The previous prime is 80621610025291. The next prime is 80621610025339. The reversal of 80621610025320 is 2352001612608.

80621610025320 is a `hidden beast` number, since 8 + 0 + 6 + 2 + 1 + 610 + 0 + 2 + 5 + 32 + 0 = 666.

It is a super-2 number, since 2×80621610025320² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18173584 + ... + 22170303.

It is an arithmetic number, because the mean of its divisors is an integer number (853575810360).

Almost surely, 2^{80621610025320} is an apocalyptic number.

It is an amenable number.

80621610025320 is an abundant number, since it is smaller than the sum of its proper divisors (247151501152920).

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

80621610025320 is a wasteful number, since it uses less digits than its factorization.

80621610025320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40343985 (or 40343978 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 80621610025320 its reverse (2352001612608), we get a palindrome (82973611637928).

The spelling of 80621610025320 in words is "eighty trillion, six hundred twenty-one billion, six hundred ten million, twenty-five thousand, three hundred twenty".