651015045654 has 16 divisors (see below), whose sum is σ = 1302368590848. Its totient is φ = 216948598632.

The previous prime is 651015045623. The next prime is 651015045689. The reversal of 651015045654 is 456540510156.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14079142 + ... + 14125305.

It is an arithmetic number, because the mean of its divisors is an integer number (81398036928).

Almost surely, 2^651015045654 is an apocalyptic number.

651015045654 is an abundant number, since it is smaller than the sum of its proper divisors (651353545194).

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

651015045654 is a wasteful number, since it uses less digits than its factorization.

651015045654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28208299.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 651015045654 in words is "six hundred fifty-one billion, fifteen million, forty-five thousand, six hundred fifty-four".