651235162655 has 64 divisors (see below), whose sum is σ = 998718336000. Its totient is φ = 395809612800.

The previous prime is 651235162639. The next prime is 651235162673. The reversal of 651235162655 is 556261532156.

It is not a de Polignac number, because 651235162655 - 2⁴ = 651235162639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26301221 + ... + 26325969.

It is an arithmetic number, because the mean of its divisors is an integer number (15604974000).

Almost surely, 2^651235162655 is an apocalyptic number.

651235162655 is a deficient number, since it is larger than the sum of its proper divisors (347483173345).

651235162655 is a wasteful number, since it uses less digits than its factorization.

651235162655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480.

The product of its digits is 1620000, while the sum is 47.

The spelling of 651235162655 in words is "six hundred fifty-one billion, two hundred thirty-five million, one hundred sixty-two thousand, six hundred fifty-five".