16102090845 has 40 divisors (see below), whose sum is σ = 28950385464. Its totient is φ = 8562226176.

The previous prime is 16102090817. The next prime is 16102090871. The reversal of 16102090845 is 54809020161.

It can be written as a sum of positive squares in 4 ways, for example, as 291794724 + 15810296121 = 17082^2 + 125739^2 .

It is not a de Polignac number, because 16102090845 - 2²⁵ = 16068536413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 77497 + ... + 195473.

Almost surely, 2^16102090845 is an apocalyptic number.

16102090845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16102090845 is a deficient number, since it is larger than the sum of its proper divisors (12848294619).

16102090845 is a wasteful number, since it uses less digits than its factorization.

16102090845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118331 (or 118322 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 16102090845 in words is "sixteen billion, one hundred two million, ninety thousand, eight hundred forty-five".