1099672672 has 48 divisors (see below), whose sum is σ = 2554094592. Its totient is φ = 456082560.

The previous prime is 1099672667. The next prime is 1099672687. The reversal of 1099672672 is 2762769901.

It is a congruent number.

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, 72238 + ... + 86125.

It is an arithmetic number, because the mean of its divisors is an integer number (53210304).

Almost surely, 2^1099672672 is an apocalyptic number.

It is an amenable number.

1099672672 is an abundant number, since it is smaller than the sum of its proper divisors (1454421920).

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

1099672672 is a wasteful number, since it uses less digits than its factorization.

1099672672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158411 (or 158403 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 1099672672 is about 33161.3128811270. The cubic root of 1099672672 is about 1032.1777131209.

The spelling of 1099672672 in words is "one billion, ninety-nine million, six hundred seventy-two thousand, six hundred seventy-two".