157618453608 has 384 divisors, whose sum is σ = 551232864000. Its totient is φ = 40848192000.

The previous prime is 157618453591. The next prime is 157618453609. The reversal of 157618453608 is 806354816751.

It is a happy number.

157618453608 is a `hidden beast` number, since 1 + 576 + 1 + 8 + 4 + 5 + 3 + 60 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (157618453609) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128248738 + ... + 128249966.

It is an arithmetic number, because the mean of its divisors is an integer number (1435502250).

Almost surely, 2^157618453608 is an apocalyptic number.

157618453608 is a gapful number since it is divisible by the number (18) 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 157618453608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275616432000).

157618453608 is an abundant number, since it is smaller than the sum of its proper divisors (393614410392).

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

157618453608 is a wasteful number, since it uses less digits than its factorization.

157618453608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 157618453608 in words is "one hundred fifty-seven billion, six hundred eighteen million, four hundred fifty-three thousand, six hundred eight".