2167449992 has 16 divisors (see below), whose sum is σ = 4072320960. Its totient is φ = 1081497744.

The previous prime is 2167449989. The next prime is 2167450031. The reversal of 2167449992 is 2999447612.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 274268 + ... + 282059.

It is an arithmetic number, because the mean of its divisors is an integer number (254520060).

Almost surely, 2^2167449992 is an apocalyptic number.

It is an amenable number.

2167449992 is a deficient number, since it is larger than the sum of its proper divisors (1904870968).

2167449992 is a wasteful number, since it uses less digits than its factorization.

2167449992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556820 (or 556816 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 2167449992 is about 46555.8803160245. The cubic root of 2167449992 is about 1294.1452680337.

The spelling of 2167449992 in words is "two billion, one hundred sixty-seven million, four hundred forty-nine thousand, nine hundred ninety-two".