16461940446 has 64 divisors (see below), whose sum is σ = 44267420160. Its totient is φ = 4426738560.

The previous prime is 16461940379. The next prime is 16461940471. The reversal of 16461940446 is 64404916461.

16461940446 is a `hidden beast` number, since 1 + 64 + 61 + 94 + 0 + 446 = 666.

It is a super-3 number, since 3×16461940446³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1274460 + ... + 1287311.

It is an arithmetic number, because the mean of its divisors is an integer number (691678440).

Almost surely, 2^16461940446 is an apocalyptic number.

16461940446 is an abundant number, since it is smaller than the sum of its proper divisors (27805479714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16461940446 is a wasteful number, since it uses less digits than its factorization.

16461940446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561806 (or 2561800 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 16461940446 in words is "sixteen billion, four hundred sixty-one million, nine hundred forty thousand, four hundred forty-six".