667541075300425 has 24 divisors (see below), whose sum is σ = 832480597599552. Its totient is φ = 530986373736000.

The previous prime is 667541075300327. The next prime is 667541075300467. The reversal of 667541075300425 is 524003570145766.

It is a happy number.

It is not a de Polignac number, because 667541075300425 - 2¹⁵ = 667541075267657 is a prime.

It is a super-2 number, since 2×667541075300425² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

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, 55932994 + ... + 66810043.

It is an arithmetic number, because the mean of its divisors is an integer number (34686691566648).

Almost surely, 2^{667541075300425} is an apocalyptic number.

It is an amenable number.

667541075300425 is a deficient number, since it is larger than the sum of its proper divisors (164939522299127).

667541075300425 is a wasteful number, since it uses less digits than its factorization.

667541075300425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122744289 (or 122744284 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 667541075300425 in words is "six hundred sixty-seven trillion, five hundred forty-one billion, seventy-five million, three hundred thousand, four hundred twenty-five".