16730554090 has 12 divisors (see below), whose sum is σ = 30115733634. Its totient is φ = 6692058024.

The previous prime is 16730554073. The next prime is 16730554171. The reversal of 16730554090 is 9045503761.

It can be written as a sum of positive squares in only one way, i.e., 15057498681 + 1673055409 = 122709^2 + 40903^2 .

It is a super-2 number, since 2×16730554090² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388579 + ... + 429481.

Almost surely, 2^16730554090 is an apocalyptic number.

16730554090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16730554090 is a deficient number, since it is larger than the sum of its proper divisors (13385179544).

16730554090 is an frugal number, since it uses more digits than its factorization.

16730554090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81813 (or 40910 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

Multiplying 16730554090 by its sum of digits (40), we get a square (669222163600 = 818060²).

The spelling of 16730554090 in words is "sixteen billion, seven hundred thirty million, five hundred fifty-four thousand, ninety".