157583481312 has 96 divisors (see below), whose sum is σ = 420088540032. Its totient is φ = 51717118464.

The previous prime is 157583481287. The next prime is 157583481347. The reversal of 157583481312 is 213184385751.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627278 + ... + 1721394.

It is an arithmetic number, because the mean of its divisors is an integer number (4375922292).

Almost surely, 2^157583481312 is an apocalyptic number.

157583481312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157583481312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210044270016).

157583481312 is an abundant number, since it is smaller than the sum of its proper divisors (262505058720).

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

157583481312 is a wasteful number, since it uses less digits than its factorization.

157583481312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94400 (or 94392 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The spelling of 157583481312 in words is "one hundred fifty-seven billion, five hundred eighty-three million, four hundred eighty-one thousand, three hundred twelve".