61676903736 has 160 divisors (see below), whose sum is σ = 204239772000. Its totient is φ = 17014281984.

The previous prime is 61676903711. The next prime is 61676903749. The reversal of 61676903736 is 63730967616.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102891 + ... + 365978.

It is an arithmetic number, because the mean of its divisors is an integer number (1276498575).

Almost surely, 2^61676903736 is an apocalyptic number.

It is an amenable number.

61676903736 is an abundant number, since it is smaller than the sum of its proper divisors (142562868264).

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

61676903736 is a wasteful number, since it uses less digits than its factorization.

61676903736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468923 (or 468910 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 54.

It can be divided in two parts, 6167 and 6903736, that added together give a triangular number (6909903 = T₃₇₁₇).

The spelling of 61676903736 in words is "sixty-one billion, six hundred seventy-six million, nine hundred three thousand, seven hundred thirty-six".