157049686 has 8 divisors (see below), whose sum is σ = 235627704. Its totient is φ = 78507120.

The previous prime is 157049677. The next prime is 157049729. The reversal of 157049686 is 686940751.

157049686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13041 + ... + 22003.

It is an arithmetic number, because the mean of its divisors is an integer number (29453463).

Almost surely, 2^157049686 is an apocalyptic number.

157049686 is a deficient number, since it is larger than the sum of its proper divisors (78578018).

157049686 is an equidigital number, since it uses as much as digits as its factorization.

157049686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17726.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 157049686 is about 12531.9466165476. The cubic root of 157049686 is about 539.5259740415.

The spelling of 157049686 in words is "one hundred fifty-seven million, forty-nine thousand, six hundred eighty-six".