2195164972 has 48 divisors (see below), whose sum is σ = 5157879552. Its totient is φ = 789468480.

The previous prime is 2195164957. The next prime is 2195164973. The reversal of 2195164972 is 2794615912.

2195164972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2195164973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270118 + ... + 278125.

It is an arithmetic number, because the mean of its divisors is an integer number (107455824).

Almost surely, 2^2195164972 is an apocalyptic number.

2195164972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2195164972 is an abundant number, since it is smaller than the sum of its proper divisors (2962714580).

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

2195164972 is a wasteful number, since it uses less digits than its factorization.

2195164972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548278 (or 548276 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 2195164972 is about 46852.5876766695. The cubic root of 2195164972 is about 1299.6379607229.

The spelling of 2195164972 in words is "two billion, one hundred ninety-five million, one hundred sixty-four thousand, nine hundred seventy-two".