157607066 has 8 divisors (see below), whose sum is σ = 238751604. Its totient is φ = 78023200.

The previous prime is 157607059. The next prime is 157607117. The reversal of 157607066 is 660706751.

It can be written as a sum of positive squares in 2 ways, for example, as 147501025 + 10106041 = 12145^2 + 3179^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389915 + ... + 390318.

Almost surely, 2^157607066 is an apocalyptic number.

157607066 is a deficient number, since it is larger than the sum of its proper divisors (81144538).

157607066 is a wasteful number, since it uses less digits than its factorization.

157607066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780336.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 157607066 is about 12554.1652848766. The cubic root of 157607066 is about 540.1634918766.

The spelling of 157607066 in words is "one hundred fifty-seven million, six hundred seven thousand, sixty-six".