16806342140 has 24 divisors (see below), whose sum is σ = 40335221472. Its totient is φ = 5762174400.

The previous prime is 16806342101. The next prime is 16806342151. The reversal of 16806342140 is 4124360861.

It is a super-2 number, since 2×16806342140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 16806342140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60022511 + ... + 60022790.

It is an arithmetic number, because the mean of its divisors is an integer number (1680634228).

Almost surely, 2^16806342140 is an apocalyptic number.

16806342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16806342140 is an abundant number, since it is smaller than the sum of its proper divisors (23528879332).

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

16806342140 is a wasteful number, since it uses less digits than its factorization.

16806342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120045317 (or 120045315 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 16806342140 in words is "sixteen billion, eight hundred six million, three hundred forty-two thousand, one hundred forty".