651123448028196 has 96 divisors (see below), whose sum is σ = 1784921559152256. Its totient is φ = 182130013056000.

The previous prime is 651123448028117. The next prime is 651123448028197. The reversal of 651123448028196 is 691820844321156.

It is a super-2 number, since 2×651123448028196² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (651123448028197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128655856 + ... + 133621016.

It is an arithmetic number, because the mean of its divisors is an integer number (18592932907836).

Almost surely, 2^{651123448028196} is an apocalyptic number.

651123448028196 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

651123448028196 is an abundant number, since it is smaller than the sum of its proper divisors (1133798111124060).

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

651123448028196 is a wasteful number, since it uses less digits than its factorization.

651123448028196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041613 (or 5041611 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 651123448028196 in words is "six hundred fifty-one trillion, one hundred twenty-three billion, four hundred forty-eight million, twenty-eight thousand, one hundred ninety-six".