677531700520161 has 32 divisors (see below), whose sum is σ = 926451716456448. Its totient is φ = 440174843909760.

The previous prime is 677531700520153. The next prime is 677531700520183. The reversal of 677531700520161 is 161025007135776.

It is not a de Polignac number, because 677531700520161 - 2³ = 677531700520153 is a prime.

It is a super-2 number, since 2×677531700520161² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677531700520561) 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, 389206480 + ... + 390943406.

It is an arithmetic number, because the mean of its divisors is an integer number (28951616139264).

Almost surely, 2^{677531700520161} is an apocalyptic number.

It is an amenable number.

677531700520161 is a deficient number, since it is larger than the sum of its proper divisors (248920015936287).

677531700520161 is a wasteful number, since it uses less digits than its factorization.

677531700520161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740541.

The product of its (nonzero) digits is 1852200, while the sum is 51.

The spelling of 677531700520161 in words is "six hundred seventy-seven trillion, five hundred thirty-one billion, seven hundred million, five hundred twenty thousand, one hundred sixty-one".