633423465652161 has 32 divisors (see below), whose sum is σ = 867019145666560. Its totient is φ = 411202728503424.

The previous prime is 633423465652157. The next prime is 633423465652171. The reversal of 633423465652161 is 161256564324336.

It is a happy number.

It is not a de Polignac number, because 633423465652161 - 2² = 633423465652157 is a prime.

It is a super-2 number, since 2×633423465652161² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633423465652111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314271570 + ... + 316280676.

It is an arithmetic number, because the mean of its divisors is an integer number (27094348302080).

Almost surely, 2^{633423465652161} is an apocalyptic number.

It is an amenable number.

633423465652161 is a deficient number, since it is larger than the sum of its proper divisors (233595680014399).

633423465652161 is a wasteful number, since it uses less digits than its factorization.

633423465652161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027485.

The product of its digits is 55987200, while the sum is 57.

The spelling of 633423465652161 in words is "six hundred thirty-three trillion, four hundred twenty-three billion, four hundred sixty-five million, six hundred fifty-two thousand, one hundred sixty-one".