651100551060 has 48 divisors (see below), whose sum is σ = 1885946428800. Its totient is φ = 167639681664.

The previous prime is 651100551043. The next prime is 651100551107. The reversal of 651100551060 is 60155001156.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 187096120 + ... + 187099599.

It is an arithmetic number, because the mean of its divisors is an integer number (39290550600).

Almost surely, 2^651100551060 is an apocalyptic number.

651100551060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

651100551060 is an abundant number, since it is smaller than the sum of its proper divisors (1234845877740).

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

651100551060 is a wasteful number, since it uses less digits than its factorization.

651100551060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374195760 (or 374195758 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 651100551060 in words is "six hundred fifty-one billion, one hundred million, five hundred fifty-one thousand, sixty".