16461994 has 8 divisors (see below), whose sum is σ = 24887808. Its totient is φ = 8166060.

The previous prime is 16461979. The next prime is 16462007. The reversal of 16461994 is 49916461.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32152 + ... + 32659.

It is an arithmetic number, because the mean of its divisors is an integer number (3110976).

Almost surely, 2^16461994 is an apocalyptic number.

16461994 is a deficient number, since it is larger than the sum of its proper divisors (8425814).

16461994 is a wasteful number, since it uses less digits than its factorization.

16461994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64940.

The product of its digits is 46656, while the sum is 40.

The square root of 16461994 is about 4057.3382900616. The cubic root of 16461994 is about 254.3865505363.

The spelling of 16461994 in words is "sixteen million, four hundred sixty-one thousand, nine hundred ninety-four".