16723206040 has 32 divisors (see below), whose sum is σ = 37661737680. Its totient is φ = 6683144832.

The previous prime is 16723205987. The next prime is 16723206043. The reversal of 16723206040 is 4060232761.

It is a junction number, because it is equal to n+sod(n) for n = 16723205993 and 16723206011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16723206043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147534 + ... + 234973.

Almost surely, 2^16723206040 is an apocalyptic number.

16723206040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16723206040 is an abundant number, since it is smaller than the sum of its proper divisors (20938531640).

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

16723206040 is a wasteful number, since it uses less digits than its factorization.

16723206040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383611 (or 383607 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 16723206040 in words is "sixteen billion, seven hundred twenty-three million, two hundred six thousand, forty".