6625533560157 has 6 divisors (see below), whose sum is σ = 9570215142462. Its totient is φ = 4417022373432.

The previous prime is 6625533560143. The next prime is 6625533560159. The reversal of 6625533560157 is 7510653355266.

It is a happy number.

6625533560157 is a `hidden beast` number, since 6 + 6 + 2 + 5 + 533 + 56 + 0 + 1 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4826343247236 + 1799190312921 = 2196894^2 + 1341339^2 .

It is not a de Polignac number, because 6625533560157 - 2²⁸ = 6625265124701 is a prime.

It is a super-2 number, since 2×6625533560157² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625533560159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368085197778 + ... + 368085197795.

It is an arithmetic number, because the mean of its divisors is an integer number (1595035857077).

Almost surely, 2^{6625533560157} is an apocalyptic number.

It is an amenable number.

6625533560157 is a deficient number, since it is larger than the sum of its proper divisors (2944681582305).

6625533560157 is a wasteful number, since it uses less digits than its factorization.

6625533560157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736170395579 (or 736170395576 counting only the distinct ones).

The product of its (nonzero) digits is 17010000, while the sum is 54.

The spelling of 6625533560157 in words is "six trillion, six hundred twenty-five billion, five hundred thirty-three million, five hundred sixty thousand, one hundred fifty-seven".