651126071838080 has 32 divisors (see below), whose sum is σ = 1556598265489440. Its totient is φ = 260450428734976.

The previous prime is 651126071838043. The next prime is 651126071838101. The reversal of 651126071838080 is 80838170621156.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×651126071838080² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508692242984 + ... + 508692244263.

It is an arithmetic number, because the mean of its divisors is an integer number (48643695796545).

Almost surely, 2^{651126071838080} is an apocalyptic number.

It is an amenable number.

651126071838080 is an abundant number, since it is smaller than the sum of its proper divisors (905472193651360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651126071838080 is a wasteful number, since it uses less digits than its factorization.

651126071838080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017384487266 (or 1017384487254 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 651126071838080 in words is "six hundred fifty-one trillion, one hundred twenty-six billion, seventy-one million, eight hundred thirty-eight thousand, eighty".