157219584621 has 32 divisors (see below), whose sum is σ = 233747804160. Its totient is φ = 93185851200.

The previous prime is 157219584611. The next prime is 157219584647. The reversal of 157219584621 is 126485912751.

It is not a de Polignac number, because 157219584621 - 2¹⁰ = 157219583597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157219584611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399420 + ... + 688458.

It is an arithmetic number, because the mean of its divisors is an integer number (7304618880).

Almost surely, 2^157219584621 is an apocalyptic number.

157219584621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157219584621 is a deficient number, since it is larger than the sum of its proper divisors (76528219539).

157219584621 is a wasteful number, since it uses less digits than its factorization.

157219584621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289417.

The product of its digits is 1209600, while the sum is 51.

The spelling of 157219584621 in words is "one hundred fifty-seven billion, two hundred nineteen million, five hundred eighty-four thousand, six hundred twenty-one".