2137766531616 has 96 divisors (see below), whose sum is σ = 6601926098880. Its totient is φ = 670671848448.

The previous prime is 2137766531611. The next prime is 2137766531617. The reversal of 2137766531616 is 6161356677312.

2137766531616 is a `hidden beast` number, since 2 + 1 + 37 + 7 + 66 + 531 + 6 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2137766531611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72757866 + ... + 72787241.

It is an arithmetic number, because the mean of its divisors is an integer number (68770063530).

Almost surely, 2^{2137766531616} is an apocalyptic number.

It is an amenable number.

2137766531616 is an abundant number, since it is smaller than the sum of its proper divisors (4464159567264).

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

2137766531616 is a wasteful number, since it uses less digits than its factorization.

2137766531616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145545143 (or 145545129 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 2137766531616 in words is "two trillion, one hundred thirty-seven billion, seven hundred sixty-six million, five hundred thirty-one thousand, six hundred sixteen".