650656056155 has 64 divisors (see below), whose sum is σ = 930193072128. Its totient is φ = 427604728320.

The previous prime is 650656056137. The next prime is 650656056157. The reversal of 650656056155 is 551650656056.

It is not a de Polignac number, because 650656056155 - 2¹⁴ = 650656039771 is a prime.

It is a super-2 number, since 2×650656056155² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650656056157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130835249 + ... + 130840221.

It is an arithmetic number, because the mean of its divisors is an integer number (14534266752).

Almost surely, 2^650656056155 is an apocalyptic number.

650656056155 is a deficient number, since it is larger than the sum of its proper divisors (279537015973).

650656056155 is a wasteful number, since it uses less digits than its factorization.

650656056155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 650656056155 in words is "six hundred fifty billion, six hundred fifty-six million, fifty-six thousand, one hundred fifty-five".