2152631196 has 144 divisors (see below), whose sum is σ = 5783185408. Its totient is φ = 674179200.

The previous prime is 2152631189. The next prime is 2152631197. The reversal of 2152631196 is 6911362512.

2152631196 is a `hidden beast` number, since 2 + 1 + 5 + 2 + 631 + 19 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2152631196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152631197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7011675 + ... + 7011981.

Almost surely, 2^2152631196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152631196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2891592704).

2152631196 is an abundant number, since it is smaller than the sum of its proper divisors (3630554212).

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

2152631196 is a wasteful number, since it uses less digits than its factorization.

2152631196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 507 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2152631196 is about 46396.4567181590. The cubic root of 2152631196 is about 1291.1891756508.

The spelling of 2152631196 in words is "two billion, one hundred fifty-two million, six hundred thirty-one thousand, one hundred ninety-six".