8190900612 has 36 divisors (see below), whose sum is σ = 20831814640. Its totient is φ = 2713547952.

The previous prime is 8190900581. The next prime is 8190900659. The reversal of 8190900612 is 2160090918.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 692062 + ... + 703797.

Almost surely, 2^8190900612 is an apocalyptic number.

It is an amenable number.

8190900612 is an abundant number, since it is smaller than the sum of its proper divisors (12640914028).

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

8190900612 is a wasteful number, since it uses less digits than its factorization.

8190900612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396032 (or 1396027 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 8190900612 is about 90503.5944700541. The cubic root of 8190900612 is about 2015.7834972764.

The spelling of 8190900612 in words is "eight billion, one hundred ninety million, nine hundred thousand, six hundred twelve".