16426661542 has 8 divisors (see below), whose sum is σ = 24646339800. Its totient is φ = 8211214944.

The previous prime is 16426661533. The next prime is 16426661549. The reversal of 16426661542 is 24516662461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426661549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048192 + ... + 1063747.

It is an arithmetic number, because the mean of its divisors is an integer number (3080792475).

Almost surely, 2^16426661542 is an apocalyptic number.

16426661542 is a deficient number, since it is larger than the sum of its proper divisors (8219678258).

16426661542 is a wasteful number, since it uses less digits than its factorization.

16426661542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115830.

The product of its digits is 414720, while the sum is 43.

The spelling of 16426661542 in words is "sixteen billion, four hundred twenty-six million, six hundred sixty-one thousand, five hundred forty-two".