157551662 has 4 divisors (see below), whose sum is σ = 236327496. Its totient is φ = 78775830.

The previous prime is 157551649. The next prime is 157551673. The reversal of 157551662 is 266155751.

157551662 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39387914 + ... + 39387917.

It is an arithmetic number, because the mean of its divisors is an integer number (59081874).

Almost surely, 2^157551662 is an apocalyptic number.

157551662 is a deficient number, since it is larger than the sum of its proper divisors (78775834).

157551662 is an equidigital number, since it uses as much as digits as its factorization.

157551662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78775833.

The product of its digits is 63000, while the sum is 38.

The square root of 157551662 is about 12551.9584926019. The cubic root of 157551662 is about 540.1001894576.

The spelling of 157551662 in words is "one hundred fifty-seven million, five hundred fifty-one thousand, six hundred sixty-two".