16763940 has 36 divisors (see below), whose sum is σ = 50851164. Its totient is φ = 4470336.

The previous prime is 16763933. The next prime is 16763969. The reversal of 16763940 is 4936761.

16763940 is a `hidden beast` number, since 16 + 7 + 639 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4485924 + 12278016 = 2118^2 + 3504^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16763895 and 16763904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46387 + ... + 46746.

Almost surely, 2^16763940 is an apocalyptic number.

16763940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16763940 is an abundant number, since it is smaller than the sum of its proper divisors (34087224).

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

16763940 is a wasteful number, since it uses less digits than its factorization.

16763940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93148 (or 93143 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 16763940 is about 4094.3790738035. The cubic root of 16763940 is about 255.9324569531.

The spelling of 16763940 in words is "sixteen million, seven hundred sixty-three thousand, nine hundred forty".