157106566 has 4 divisors (see below), whose sum is σ = 235659852. Its totient is φ = 78553282.

The previous prime is 157106527. The next prime is 157106569. The reversal of 157106566 is 665601751.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×157106566³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157106569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39276640 + ... + 39276643.

It is an arithmetic number, because the mean of its divisors is an integer number (58914963).

Almost surely, 2^157106566 is an apocalyptic number.

157106566 is a deficient number, since it is larger than the sum of its proper divisors (78553286).

157106566 is an equidigital number, since it uses as much as digits as its factorization.

157106566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78553285.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 157106566 is about 12534.2158111307. The cubic root of 157106566 is about 539.5911010597.

The spelling of 157106566 in words is "one hundred fifty-seven million, one hundred six thousand, five hundred sixty-six".