157639458356 has 12 divisors (see below), whose sum is σ = 275896455492. Its totient is φ = 78811899648.

The previous prime is 157639458329. The next prime is 157639458371. The reversal of 157639458356 is 653854936751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106080490000 + 51558968356 = 325700^2 + 227066^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911965 + ... + 1992708.

It is an arithmetic number, because the mean of its divisors is an integer number (22991371291).

Almost surely, 2^157639458356 is an apocalyptic number.

It is an amenable number.

157639458356 is a deficient number, since it is larger than the sum of its proper divisors (118256997136).

157639458356 is a wasteful number, since it uses less digits than its factorization.

157639458356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914770 (or 3914768 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 62.

The spelling of 157639458356 in words is "one hundred fifty-seven billion, six hundred thirty-nine million, four hundred fifty-eight thousand, three hundred fifty-six".