16732727640 has 48 divisors (see below), whose sum is σ = 54381366000. Its totient is φ = 4462060608.

The previous prime is 16732727623. The next prime is 16732727657. The reversal of 16732727640 is 4672723761.

16732727640 is a `hidden beast` number, since 16 + 7 + 327 + 276 + 40 = 666.

16732727640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16732727623) and next prime (16732727657).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23239540 + ... + 23240259.

It is an arithmetic number, because the mean of its divisors is an integer number (1132945125).

Almost surely, 2^16732727640 is an apocalyptic number.

16732727640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16732727640 is an abundant number, since it is smaller than the sum of its proper divisors (37648638360).

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

16732727640 is a wasteful number, since it uses less digits than its factorization.

16732727640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46479816 (or 46479809 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 16732727640 in words is "sixteen billion, seven hundred thirty-two million, seven hundred twenty-seven thousand, six hundred forty".