2312158662 has 64 divisors (see below), whose sum is σ = 5633971200. Its totient is φ = 697062240.

The previous prime is 2312158643. The next prime is 2312158663. The reversal of 2312158662 is 2668512132.

2312158662 is a `hidden beast` number, since 2 + 3 + 12 + 1 + 586 + 62 = 666.

2312158662 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312158663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107139 + ... + 126897.

It is an arithmetic number, because the mean of its divisors is an integer number (88030800).

Almost surely, 2^2312158662 is an apocalyptic number.

2312158662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312158662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816985600).

2312158662 is an abundant number, since it is smaller than the sum of its proper divisors (3321812538).

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

2312158662 is a wasteful number, since it uses less digits than its factorization.

2312158662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19978 (or 19972 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2312158662 is about 48084.9109596763. The cubic root of 2312158662 is about 1322.3280507526.

The spelling of 2312158662 in words is "two billion, three hundred twelve million, one hundred fifty-eight thousand, six hundred sixty-two".