2152169352 has 48 divisors (see below), whose sum is σ = 6044678640. Its totient is φ = 717389136.

The previous prime is 2152169347. The next prime is 2152169381. The reversal of 2152169352 is 2539612512.

It is a happy number.

2152169352 is a `hidden beast` number, since 21 + 521 + 69 + 3 + 52 = 666.

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, 551598 + ... + 555485.

It is an arithmetic number, because the mean of its divisors is an integer number (125930805).

Almost surely, 2^2152169352 is an apocalyptic number.

It is an amenable number.

2152169352 is an abundant number, since it is smaller than the sum of its proper divisors (3892509288).

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

2152169352 is a wasteful number, since it uses less digits than its factorization.

2152169352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107104 (or 1107088 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2152169352 is about 46391.4793038549. The cubic root of 2152169352 is about 1291.0968281047.

The spelling of 2152169352 in words is "two billion, one hundred fifty-two million, one hundred sixty-nine thousand, three hundred fifty-two".