157066617 has 8 divisors (see below), whose sum is σ = 209629024. Its totient is φ = 104607648.

The previous prime is 157066607. The next prime is 157066619. The reversal of 157066617 is 716660751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157066617 - 2¹⁹ = 156542329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157066619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22243 + ... + 28440.

It is an arithmetic number, because the mean of its divisors is an integer number (26203628).

Almost surely, 2^157066617 is an apocalyptic number.

It is an amenable number.

157066617 is a deficient number, since it is larger than the sum of its proper divisors (52562407).

157066617 is a wasteful number, since it uses less digits than its factorization.

157066617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51719.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 157066617 is about 12532.6221119126. The cubic root of 157066617 is about 539.5453615069.

The spelling of 157066617 in words is "one hundred fifty-seven million, sixty-six thousand, six hundred seventeen".