16387357755 has 16 divisors (see below), whose sum is σ = 26290075680. Its totient is φ = 8716489728.

The previous prime is 16387357717. The next prime is 16387357781. The reversal of 16387357755 is 55775378361.

It is not a de Polignac number, because 16387357755 - 2³¹ = 14239874107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16387357695 and 16387357704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458870 + ... + 1470059.

It is an arithmetic number, because the mean of its divisors is an integer number (1643129730).

Almost surely, 2^16387357755 is an apocalyptic number.

16387357755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16387357755 is a deficient number, since it is larger than the sum of its proper divisors (9902717925).

16387357755 is a wasteful number, since it uses less digits than its factorization.

16387357755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929310.

The product of its digits is 18522000, while the sum is 57.

The spelling of 16387357755 in words is "sixteen billion, three hundred eighty-seven million, three hundred fifty-seven thousand, seven hundred fifty-five".