16461165992 has 16 divisors (see below), whose sum is σ = 30883680960. Its totient is φ = 8225517744.

The previous prime is 16461165991. The next prime is 16461165997. The reversal of 16461165992 is 29956116461.

It is a self number, because there is not a number n which added to its sum of digits gives 16461165992.

It is not an unprimeable number, because it can be changed into a prime (16461165991) 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, 619328 + ... + 645359.

It is an arithmetic number, because the mean of its divisors is an integer number (1930230060).

Almost surely, 2^16461165992 is an apocalyptic number.

It is an amenable number.

16461165992 is a deficient number, since it is larger than the sum of its proper divisors (14422514968).

16461165992 is a wasteful number, since it uses less digits than its factorization.

16461165992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266320 (or 1266316 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The spelling of 16461165992 in words is "sixteen billion, four hundred sixty-one million, one hundred sixty-five thousand, nine hundred ninety-two".