16242749494 has 8 divisors (see below), whose sum is σ = 24364840608. Its totient is φ = 8121135960.

The previous prime is 16242749483. The next prime is 16242749503. The reversal of 16242749494 is 49494724261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16242749494² (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 3 ways as a sum of consecutive naturals, for example, 16702 + ... + 181009.

It is an arithmetic number, because the mean of its divisors is an integer number (3045605076).

Almost surely, 2^16242749494 is an apocalyptic number.

16242749494 is a deficient number, since it is larger than the sum of its proper divisors (8122091114).

16242749494 is a wasteful number, since it uses less digits than its factorization.

16242749494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238790.

The product of its digits is 3483648, while the sum is 52.

The spelling of 16242749494 in words is "sixteen billion, two hundred forty-two million, seven hundred forty-nine thousand, four hundred ninety-four".