667654155102 has 32 divisors (see below), whose sum is σ = 1470064210560. Its totient is φ = 200463297120.

The previous prime is 667654155097. The next prime is 667654155107. The reversal of 667654155102 is 201551456766.

It is an interprime number because it is at equal distance from previous prime (667654155097) and next prime (667654155107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667654155107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46396348 + ... + 46410735.

It is an arithmetic number, because the mean of its divisors is an integer number (45939506580).

Almost surely, 2^667654155102 is an apocalyptic number.

667654155102 is an abundant number, since it is smaller than the sum of its proper divisors (802410055458).

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

667654155102 is a wasteful number, since it uses less digits than its factorization.

667654155102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92807208.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 667654155102 in words is "six hundred sixty-seven billion, six hundred fifty-four million, one hundred fifty-five thousand, one hundred two".