72206161257350 has 96 divisors (see below), whose sum is σ = 137036083772160. Its totient is φ = 28298150092160.

The previous prime is 72206161257341. The next prime is 72206161257389. The reversal of 72206161257350 is 5375216160227.

It is a junction number, because it is equal to n+sod(n) for n = 72206161257295 and 72206161257304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2412728087 + ... + 2412758013.

It is an arithmetic number, because the mean of its divisors is an integer number (1427459205960).

Almost surely, 2^{72206161257350} is an apocalyptic number.

72206161257350 is a deficient number, since it is larger than the sum of its proper divisors (64829922514810).

72206161257350 is a wasteful number, since it uses less digits than its factorization.

72206161257350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32702 (or 32697 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 72206161257350 in words is "seventy-two trillion, two hundred six billion, one hundred sixty-one million, two hundred fifty-seven thousand, three hundred fifty".