2190148164 has 36 divisors (see below), whose sum is σ = 5827589040. Its totient is φ = 691625520.

The previous prime is 2190148133. The next prime is 2190148187. The reversal of 2190148164 is 4618410912.

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, 1600302 + ... + 1601669.

Almost surely, 2^2190148164 is an apocalyptic number.

It is an amenable number.

2190148164 is an abundant number, since it is smaller than the sum of its proper divisors (3637440876).

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

2190148164 is a wasteful number, since it uses less digits than its factorization.

2190148164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202000 (or 3201995 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2190148164 is about 46799.0188358688. The cubic root of 2190148164 is about 1298.6471456880.

The spelling of 2190148164 in words is "two billion, one hundred ninety million, one hundred forty-eight thousand, one hundred sixty-four".