16231708477 has 8 divisors (see below), whose sum is σ = 17477812800. Its totient is φ = 15017970624.

The previous prime is 16231708463. The next prime is 16231708487. The reversal of 16231708477 is 77480713261.

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

It is a cyclic number.

It is not a de Polignac number, because 16231708477 - 2¹¹ = 16231706429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231708457) 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, 8090577 + ... + 8092582.

It is an arithmetic number, because the mean of its divisors is an integer number (2184726600).

Almost surely, 2^16231708477 is an apocalyptic number.

16231708477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16231708477 is a deficient number, since it is larger than the sum of its proper divisors (1246104323).

16231708477 is a wasteful number, since it uses less digits than its factorization.

16231708477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16183235.

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 16231708477 in words is "sixteen billion, two hundred thirty-one million, seven hundred eight thousand, four hundred seventy-seven".