15198766842 has 64 divisors (see below), whose sum is σ = 35577400320. Its totient is φ = 4238002944.

The previous prime is 15198766841. The next prime is 15198766879. The reversal of 15198766842 is 24866789151.

It is not an unprimeable number, because it can be changed into a prime (15198766841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2802009 + ... + 2807427.

It is an arithmetic number, because the mean of its divisors is an integer number (555896880).

Almost surely, 2^15198766842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15198766842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17788700160).

15198766842 is an abundant number, since it is smaller than the sum of its proper divisors (20378633478).

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

15198766842 is a wasteful number, since it uses less digits than its factorization.

15198766842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027.

The product of its digits is 5806080, while the sum is 57.

The spelling of 15198766842 in words is "fifteen billion, one hundred ninety-eight million, seven hundred sixty-six thousand, eight hundred forty-two".