157224166 has 8 divisors (see below), whose sum is σ = 257275944. Its totient is φ = 71465520.

The previous prime is 157224149. The next prime is 157224187. The reversal of 157224166 is 661422751.

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, 3573255 + ... + 3573298.

It is an arithmetic number, because the mean of its divisors is an integer number (32159493).

Almost surely, 2^157224166 is an apocalyptic number.

157224166 is a deficient number, since it is larger than the sum of its proper divisors (100051778).

157224166 is a wasteful number, since it uses less digits than its factorization.

157224166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146566.

The product of its digits is 20160, while the sum is 34.

The square root of 157224166 is about 12538.9060926382. The cubic root of 157224166 is about 539.7257020266.

The spelling of 157224166 in words is "one hundred fifty-seven million, two hundred twenty-four thousand, one hundred sixty-six".