651545545156 has 48 divisors (see below), whose sum is σ = 1303039584000. Its totient is φ = 282325155840.

The previous prime is 651545545153. The next prime is 651545545159.

651545545156 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (651545545153) and next prime (651545545159).

It is not an unprimeable number, because it can be changed into a prime (651545545153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3130941 + ... + 3332548.

It is an arithmetic number, because the mean of its divisors is an integer number (27146658000).

Almost surely, 2^651545545156 is an apocalyptic number.

It is an amenable number.

651545545156 is a deficient number, since it is larger than the sum of its proper divisors (651494038844).

651545545156 is a wasteful number, since it uses less digits than its factorization.

651545545156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463612 (or 6463610 counting only the distinct ones).

The product of its digits is 9000000, while the sum is 52.

The spelling of 651545545156 in words is "six hundred fifty-one billion, five hundred forty-five million, five hundred forty-five thousand, one hundred fifty-six".