64616607351 has 48 divisors (see below), whose sum is σ = 101442616704. Its totient is φ = 39478828032.

The previous prime is 64616607347. The next prime is 64616607437. The reversal of 64616607351 is 15370661646.

64616607351 is a `hidden beast` number, since 6 + 4 + 6 + 1 + 6 + 607 + 35 + 1 = 666.

It is not a de Polignac number, because 64616607351 - 2² = 64616607347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64616607297 and 64616607306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64616600351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1393821 + ... + 1439433.

It is an arithmetic number, because the mean of its divisors is an integer number (2113387848).

Almost surely, 2^64616607351 is an apocalyptic number.

64616607351 is a deficient number, since it is larger than the sum of its proper divisors (36826009353).

64616607351 is a wasteful number, since it uses less digits than its factorization.

64616607351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45880 (or 45877 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 64616607351 in words is "sixty-four billion, six hundred sixteen million, six hundred seven thousand, three hundred fifty-one".