1557992083098 has 16 divisors (see below), whose sum is σ = 3399255454176. Its totient is φ = 472118813040.

The previous prime is 1557992083097. The next prime is 1557992083163. The reversal of 1557992083098 is 8903802997551.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 23605940653 = 1557992083098 / (1 + 5 + 5 + 7 + 9 + 9 + 2 + 0 + 8 + 3 + 0 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (1557992083097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11802970261 + ... + 11802970392.

It is an arithmetic number, because the mean of its divisors is an integer number (212453465886).

Almost surely, 2^{1557992083098} is an apocalyptic number.

1557992083098 is an abundant number, since it is smaller than the sum of its proper divisors (1841263371078).

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

1557992083098 is a wasteful number, since it uses less digits than its factorization.

1557992083098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23605940669.

The product of its (nonzero) digits is 48988800, while the sum is 66.

The spelling of 1557992083098 in words is "one trillion, five hundred fifty-seven billion, nine hundred ninety-two million, eighty-three thousand, ninety-eight".