16312642 has 8 divisors (see below), whose sum is σ = 24662016. Its totient is φ = 8091972.

The previous prime is 16312633. The next prime is 16312643. The reversal of 16312642 is 24621361.

16312642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×16312642² = 532204578040328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16312643) 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, 31858 + ... + 32365.

It is an arithmetic number, because the mean of its divisors is an integer number (3082752).

Almost surely, 2^16312642 is an apocalyptic number.

16312642 is a deficient number, since it is larger than the sum of its proper divisors (8349374).

16312642 is a wasteful number, since it uses less digits than its factorization.

16312642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64352.

The product of its digits is 1728, while the sum is 25.

The square root of 16312642 is about 4038.8911844713. The cubic root of 16312642 is about 253.6149019993.

The spelling of 16312642 in words is "sixteen million, three hundred twelve thousand, six hundred forty-two".