16426923570 has 48 divisors (see below), whose sum is σ = 42723397080. Its totient is φ = 4379139072.

The previous prime is 16426923563. The next prime is 16426923571. The reversal of 16426923570 is 7532962461.

16426923570 is a `hidden beast` number, since 16 + 4 + 2 + 69 + 2 + 3 + 570 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15104655801 + 1322267769 = 122901^2 + 36363^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16426923571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278082 + ... + 331938.

Almost surely, 2^16426923570 is an apocalyptic number.

16426923570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16426923570 is an abundant number, since it is smaller than the sum of its proper divisors (26296473510).

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

16426923570 is a wasteful number, since it uses less digits than its factorization.

16426923570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57259 (or 57256 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 16426923570 in words is "sixteen billion, four hundred twenty-six million, nine hundred twenty-three thousand, five hundred seventy".