667151413425 has 72 divisors (see below), whose sum is σ = 1388795129280. Its totient is φ = 299814249600.

The previous prime is 667151413351. The next prime is 667151413427. The reversal of 667151413425 is 524314151766.

It is a happy number.

667151413425 is a `hidden beast` number, since 6 + 67 + 151 + 4 + 13 + 425 = 666.

It is not a de Polignac number, because 667151413425 - 2⁸ = 667151413169 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (667151413427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3496806 + ... + 3682655.

It is an arithmetic number, because the mean of its divisors is an integer number (19288821240).

Almost surely, 2^667151413425 is an apocalyptic number.

It is an amenable number.

667151413425 is an abundant number, since it is smaller than the sum of its proper divisors (721643715855).

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

667151413425 is a wasteful number, since it uses less digits than its factorization.

667151413425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7179543 (or 7179535 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 667151413425 in words is "six hundred sixty-seven billion, one hundred fifty-one million, four hundred thirteen thousand, four hundred twenty-five".