2135666147992 has 64 divisors (see below), whose sum is σ = 4336317972000. Its totient is φ = 980235869184.

The previous prime is 2135666147977. The next prime is 2135666148029. The reversal of 2135666147992 is 2997416665312.

It is a happy number.

It is a super-2 number, since 2×2135666147992² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2135666147992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20405748 + ... + 20510140.

Almost surely, 2^{2135666147992} is an apocalyptic number.

It is an amenable number.

2135666147992 is an abundant number, since it is smaller than the sum of its proper divisors (2200651824008).

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

2135666147992 is a wasteful number, since it uses less digits than its factorization.

2135666147992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105500 (or 105496 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 61.

The spelling of 2135666147992 in words is "two trillion, one hundred thirty-five billion, six hundred sixty-six million, one hundred forty-seven thousand, nine hundred ninety-two".