651010161005 has 16 divisors (see below), whose sum is σ = 796447254960. Its totient is φ = 510663648768.

The previous prime is 651010160959. The next prime is 651010161031. The reversal of 651010161005 is 500161010156.

It can be written as a sum of positive squares in 8 ways, for example, as 121813564324 + 529196596681 = 349018^2 + 727459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651010161005 is a prime.

It is a super-2 number, since 2×651010161005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337022 + ... + 1189791.

It is an arithmetic number, because the mean of its divisors is an integer number (49777953435).

Almost surely, 2^651010161005 is an apocalyptic number.

It is an amenable number.

651010161005 is a deficient number, since it is larger than the sum of its proper divisors (145437093955).

651010161005 is a wasteful number, since it uses less digits than its factorization.

651010161005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528480.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 651010161005 in words is "six hundred fifty-one billion, ten million, one hundred sixty-one thousand, five".