157119161800 has 48 divisors (see below), whose sum is σ = 368653497300. Its totient is φ = 62271072000.

The previous prime is 157119161791. The next prime is 157119161803. The reversal of 157119161800 is 8161911751.

157119161800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 25607040484 + 131512121316 = 160022^2 + 362646^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (157119161803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3581851 + ... + 3625450.

Almost surely, 2^157119161800 is an apocalyptic number.

157119161800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157119161800 is an abundant number, since it is smaller than the sum of its proper divisors (211534335500).

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

157119161800 is a wasteful number, since it uses less digits than its factorization.

157119161800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207426 (or 7207417 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 40.

The spelling of 157119161800 in words is "one hundred fifty-seven billion, one hundred nineteen million, one hundred sixty-one thousand, eight hundred".