64722052896196 has 6 divisors (see below), whose sum is σ = 113263592568350. Its totient is φ = 32361026448096.

The previous prime is 64722052896167. The next prime is 64722052896229. The reversal of 64722052896196 is 69169825022746.

It can be written as a sum of positive squares in only one way, i.e., 64719032294596 + 3020601600 = 8044814^2 + 54960^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8090256612021 + ... + 8090256612028.

Almost surely, 2^{64722052896196} is an apocalyptic number.

It is an amenable number.

64722052896196 is a deficient number, since it is larger than the sum of its proper divisors (48541539672154).

64722052896196 is a wasteful number, since it uses less digits than its factorization.

64722052896196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180513224053 (or 16180513224051 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 64722052896196 in words is "sixty-four trillion, seven hundred twenty-two billion, fifty-two million, eight hundred ninety-six thousand, one hundred ninety-six".