651120106461 has 48 divisors (see below), whose sum is σ = 1009116092928. Its totient is φ = 370281542400.

The previous prime is 651120106457. The next prime is 651120106501. The reversal of 651120106461 is 164601021156.

It is not a de Polignac number, because 651120106461 - 2² = 651120106457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651120106261) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3053616 + ... + 3259878.

It is an arithmetic number, because the mean of its divisors is an integer number (21023251936).

Almost surely, 2^651120106461 is an apocalyptic number.

It is an amenable number.

651120106461 is a deficient number, since it is larger than the sum of its proper divisors (357995986467).

651120106461 is a wasteful number, since it uses less digits than its factorization.

651120106461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206642 (or 206625 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 651120106461 in words is "six hundred fifty-one billion, one hundred twenty million, one hundred six thousand, four hundred sixty-one".