16115019742 has 16 divisors (see below), whose sum is σ = 24832295712. Its totient is φ = 7838702080.

The previous prime is 16115019737. The next prime is 16115019821. The reversal of 16115019742 is 24791051161.

It is a super-2 number, since 2×16115019742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249418 + ... + 307309.

It is an arithmetic number, because the mean of its divisors is an integer number (1552018482).

Almost surely, 2^16115019742 is an apocalyptic number.

16115019742 is a deficient number, since it is larger than the sum of its proper divisors (8717275970).

16115019742 is a wasteful number, since it uses less digits than its factorization.

16115019742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557123.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 16115019742 in words is "sixteen billion, one hundred fifteen million, nineteen thousand, seven hundred forty-two".