157666367 has 2 divisors, whose sum is σ = 157666368. Its totient is φ = 157666366.

The previous prime is 157666339. The next prime is 157666373. The reversal of 157666367 is 763666751.

It is a strong prime.

It is an emirp because it is prime and its reverse (763666751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157666367 - 2⁸ = 157666111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157666387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78833183 + 78833184.

It is an arithmetic number, because the mean of its divisors is an integer number (78833184).

Almost surely, 2^157666367 is an apocalyptic number.

157666367 is a deficient number, since it is larger than the sum of its proper divisors (1).

157666367 is an equidigital number, since it uses as much as digits as its factorization.

157666367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 47.

The square root of 157666367 is about 12556.5268685254. The cubic root of 157666367 is about 540.2312304187.

The spelling of 157666367 in words is "one hundred fifty-seven million, six hundred sixty-six thousand, three hundred sixty-seven".