157157143658 has 8 divisors (see below), whose sum is σ = 240751369152. Its totient is φ = 76906687276.

The previous prime is 157157143607. The next prime is 157157143673. The reversal of 157157143658 is 856341751751.

It is a happy number.

157157143658 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835942160 + ... + 835942347.

It is an arithmetic number, because the mean of its divisors is an integer number (30093921144).

Almost surely, 2^157157143658 is an apocalyptic number.

157157143658 is a deficient number, since it is larger than the sum of its proper divisors (83594225494).

157157143658 is a wasteful number, since it uses less digits than its factorization.

157157143658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671884556.

The product of its digits is 3528000, while the sum is 53.

The spelling of 157157143658 in words is "one hundred fifty-seven billion, one hundred fifty-seven million, one hundred forty-three thousand, six hundred fifty-eight".