3656070091 has 8 divisors (see below), whose sum is σ = 3684209184. Its totient is φ = 3627952320.

The previous prime is 3656070083. The next prime is 3656070097. The reversal of 3656070091 is 1900706563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3656070091 - 2³ = 3656070083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3656070091.

It is not an unprimeable number, because it can be changed into a prime (3656070097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580626 + ... + 586888.

It is an arithmetic number, because the mean of its divisors is an integer number (460526148).

Almost surely, 2^3656070091 is an apocalyptic number.

3656070091 is a deficient number, since it is larger than the sum of its proper divisors (28139093).

3656070091 is a wasteful number, since it uses less digits than its factorization.

3656070091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3656070091 is about 60465.4454296005. The cubic root of 3656070091 is about 1540.5347683185.

The spelling of 3656070091 in words is "three billion, six hundred fifty-six million, seventy thousand, ninety-one".