157824801612 has 36 divisors (see below), whose sum is σ = 398982880296. Its totient is φ = 52603407360.

The previous prime is 157824801611. The next prime is 157824801613. The reversal of 157824801612 is 216108428751.

157824801612 is a `hidden beast` number, since 1 + 5 + 7 + 8 + 2 + 480 + 161 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (157824801611) and next prime (157824801613).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (157824801611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203788 + ... + 597644.

It is an arithmetic number, because the mean of its divisors is an integer number (11082857786).

Almost surely, 2^157824801612 is an apocalyptic number.

157824801612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157824801612 is an abundant number, since it is smaller than the sum of its proper divisors (241158078684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157824801612 is a wasteful number, since it uses less digits than its factorization.

157824801612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404998 (or 404993 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 157824801612 in words is "one hundred fifty-seven billion, eight hundred twenty-four million, eight hundred one thousand, six hundred twelve".