16609004942 has 4 divisors (see below), whose sum is σ = 24913507416. Its totient is φ = 8304502470.

The previous prime is 16609004917. The next prime is 16609004959. The reversal of 16609004942 is 24940090661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24940090661 = 251 ⋅99362911.

It is a self number, because there is not a number n which added to its sum of digits gives 16609004942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4152251234 + ... + 4152251237.

It is an arithmetic number, because the mean of its divisors is an integer number (6228376854).

Almost surely, 2^16609004942 is an apocalyptic number.

16609004942 is a deficient number, since it is larger than the sum of its proper divisors (8304502474).

16609004942 is an equidigital number, since it uses as much as digits as its factorization.

16609004942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304502473.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 16609004942 in words is "sixteen billion, six hundred nine million, four thousand, nine hundred forty-two".