16732042557 has 8 divisors (see below), whose sum is σ = 22438346784. Its totient is φ = 11090216688.

The previous prime is 16732042543. The next prime is 16732042571. The reversal of 16732042557 is 75524023761.

It is an interprime number because it is at equal distance from previous prime (16732042543) and next prime (16732042571).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16732042557 - 2⁷ = 16732042429 is a prime.

It is a super-2 number, since 2×16732042557² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16732042577) 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, 16118983 + ... + 16120020.

It is an arithmetic number, because the mean of its divisors is an integer number (2804793348).

Almost surely, 2^16732042557 is an apocalyptic number.

It is an amenable number.

16732042557 is a deficient number, since it is larger than the sum of its proper divisors (5706304227).

16732042557 is a wasteful number, since it uses less digits than its factorization.

16732042557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32239179.

The product of its (nonzero) digits is 352800, while the sum is 42.

It can be divided in two parts, 1673204 and 2557, that added together give a palindrome (1675761).

The spelling of 16732042557 in words is "sixteen billion, seven hundred thirty-two million, forty-two thousand, five hundred fifty-seven".