6252121165770 has 48 divisors (see below), whose sum is σ = 16261369305480. Its totient is φ = 1666631872512.

The previous prime is 6252121165769. The next prime is 6252121165817. The reversal of 6252121165770 is 775611212526.

6252121165770 is a `hidden beast` number, since 6 + 2 + 52 + 1 + 21 + 1 + 6 + 577 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3579259123449 + 2672862042321 = 1891893^2 + 1634889^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12257815 + ... + 12757674.

Almost surely, 2^{6252121165770} is an apocalyptic number.

6252121165770 is an abundant number, since it is smaller than the sum of its proper divisors (10009248139710).

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

6252121165770 is a wasteful number, since it uses less digits than its factorization.

6252121165770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25018279 (or 25018276 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 6252121165770 in words is "six trillion, two hundred fifty-two billion, one hundred twenty-one million, one hundred sixty-five thousand, seven hundred seventy".