61619671366152 has 64 divisors (see below), whose sum is σ = 160477392345600. Its totient is φ = 19694952645120.

The previous prime is 61619671366147. The next prime is 61619671366177. The reversal of 61619671366152 is 25166317691616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379836973 + ... + 379999164.

It is an arithmetic number, because the mean of its divisors is an integer number (2507459255400).

Almost surely, 2^{61619671366152} is an apocalyptic number.

61619671366152 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61619671366152 is an abundant number, since it is smaller than the sum of its proper divisors (98857720979448).

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

61619671366152 is a wasteful number, since it uses less digits than its factorization.

61619671366152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759836286 (or 759836282 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The spelling of 61619671366152 in words is "sixty-one trillion, six hundred nineteen billion, six hundred seventy-one million, three hundred sixty-six thousand, one hundred fifty-two".