157966894 has 8 divisors (see below), whose sum is σ = 237342528. Its totient is φ = 78852720.

The previous prime is 157966889. The next prime is 157966909. The reversal of 157966894 is 498669751.

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 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, 63847 + ... + 66274.

It is an arithmetic number, because the mean of its divisors is an integer number (29667816).

Almost surely, 2^157966894 is an apocalyptic number.

157966894 is a deficient number, since it is larger than the sum of its proper divisors (79375634).

157966894 is a wasteful number, since it uses less digits than its factorization.

157966894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130730.

The product of its digits is 3265920, while the sum is 55.

The square root of 157966894 is about 12568.4881350145. The cubic root of 157966894 is about 540.5742564956.

The spelling of 157966894 in words is "one hundred fifty-seven million, nine hundred sixty-six thousand, eight hundred ninety-four".