3091669664 has 48 divisors (see below), whose sum is σ = 6445656000. Its totient is φ = 1455657984.

The previous prime is 3091669631. The next prime is 3091669673. The reversal of 3091669664 is 4669661903.

It is a super-2 number, since 2×3091669664² = 19116842622595745792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86312 + ... + 116760.

It is an arithmetic number, because the mean of its divisors is an integer number (134284500).

Almost surely, 2^3091669664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3091669664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3222828000).

3091669664 is an abundant number, since it is smaller than the sum of its proper divisors (3353986336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3091669664 is a wasteful number, since it uses less digits than its factorization.

3091669664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30645 (or 30637 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 3091669664 is about 55602.7846784673. The cubic root of 3091669664 is about 1456.7924931382.

The spelling of 3091669664 in words is "three billion, ninety-one million, six hundred sixty-nine thousand, six hundred sixty-four".