3121667632 has 20 divisors (see below), whose sum is σ = 6049297840. Its totient is φ = 1560558528.

The previous prime is 3121667629. The next prime is 3121667641. The reversal of 3121667632 is 2367661213.

It is a junction number, because it is equal to n+sod(n) for n = 3121667591 and 3121667600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100918 + ... + 128170.

It is an arithmetic number, because the mean of its divisors is an integer number (302464892).

Almost surely, 2^3121667632 is an apocalyptic number.

It is an amenable number.

3121667632 is a deficient number, since it is larger than the sum of its proper divisors (2927630208).

3121667632 is a wasteful number, since it uses less digits than its factorization.

3121667632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34420 (or 34414 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 3121667632 is about 55871.8858818995. The cubic root of 3121667632 is about 1461.4890094429.

The spelling of 3121667632 in words is "three billion, one hundred twenty-one million, six hundred sixty-seven thousand, six hundred thirty-two".