2167625980 has 24 divisors (see below), whose sum is σ = 4902170112. Its totient is φ = 800354112.

The previous prime is 2167625969. The next prime is 2167625981. The reversal of 2167625980 is 895267612.

It is a self number, because there is not a number n which added to its sum of digits gives 2167625980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167625981) 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, 4168252 + ... + 4168771.

It is an arithmetic number, because the mean of its divisors is an integer number (204257088).

Almost surely, 2^2167625980 is an apocalyptic number.

2167625980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2167625980 is an abundant number, since it is smaller than the sum of its proper divisors (2734544132).

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

2167625980 is a wasteful number, since it uses less digits than its factorization.

2167625980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337045 (or 8337043 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2167625980 is about 46557.7703503937. The cubic root of 2167625980 is about 1294.1802935052.

The spelling of 2167625980 in words is "two billion, one hundred sixty-seven million, six hundred twenty-five thousand, nine hundred eighty".