157321630126 has 8 divisors (see below), whose sum is σ = 237040663104. Its totient is φ = 78308075760.

The previous prime is 157321630051. The next prime is 157321630199. The reversal of 157321630126 is 621036123751.

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, 176369095 + ... + 176369986.

It is an arithmetic number, because the mean of its divisors is an integer number (29630082888).

Almost surely, 2^157321630126 is an apocalyptic number.

157321630126 is a deficient number, since it is larger than the sum of its proper divisors (79719032978).

157321630126 is a wasteful number, since it uses less digits than its factorization.

157321630126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352739306.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 157321630126 its reverse (621036123751), we get a palindrome (778357753877).

The spelling of 157321630126 in words is "one hundred fifty-seven billion, three hundred twenty-one million, six hundred thirty thousand, one hundred twenty-six".