16115210442 has 64 divisors (see below), whose sum is σ = 36090201600. Its totient is φ = 5330111040.

The previous prime is 16115210431. The next prime is 16115210459. The reversal of 16115210442 is 24401251161.

16115210442 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 5 + 210 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3917967 + ... + 3922077.

It is an arithmetic number, because the mean of its divisors is an integer number (563909400).

Almost surely, 2^16115210442 is an apocalyptic number.

16115210442 is an abundant number, since it is smaller than the sum of its proper divisors (19974991158).

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

16115210442 is a wasteful number, since it uses less digits than its factorization.

16115210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 16115210442 in words is "sixteen billion, one hundred fifteen million, two hundred ten thousand, four hundred forty-two".