2157061500760 has 64 divisors (see below), whose sum is σ = 4995814384800. Its totient is φ = 837609716736.

The previous prime is 2157061500731. The next prime is 2157061500773. The reversal of 2157061500760 is 670051607512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989365 + ... + 2300644.

Almost surely, 2^{2157061500760} is an apocalyptic number.

2157061500760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2157061500760 is an abundant number, since it is smaller than the sum of its proper divisors (2838752884040).

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

2157061500760 is a wasteful number, since it uses less digits than its factorization.

2157061500760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290500 (or 3290496 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 2157061500760 in words is "two trillion, one hundred fifty-seven billion, sixty-one million, five hundred thousand, seven hundred sixty".