16673957040 has 80 divisors (see below), whose sum is σ = 55665374688. Its totient is φ = 4104357888.

The previous prime is 16673957009. The next prime is 16673957057. The reversal of 16673957040 is 4075937661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2668989 + ... + 2675228.

Almost surely, 2^16673957040 is an apocalyptic number.

16673957040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16673957040 is an abundant number, since it is smaller than the sum of its proper divisors (38991417648).

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

16673957040 is a wasteful number, since it uses less digits than its factorization.

16673957040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344246 (or 5344240 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 16673957040 in words is "sixteen billion, six hundred seventy-three million, nine hundred fifty-seven thousand, forty".