16161128730 has 48 divisors (see below), whose sum is σ = 42079905504. Its totient is φ = 4303380960.

The previous prime is 16161128713. The next prime is 16161128743. The reversal of 16161128730 is 3782116161.

16161128730 is a `hidden beast` number, since 1 + 6 + 1 + 611 + 2 + 8 + 7 + 30 = 666.

It is a super-2 number, since 2×16161128730² (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 23 ways as a sum of consecutive naturals, for example, 67744 + ... + 192123.

It is an arithmetic number, because the mean of its divisors is an integer number (876664698).

Almost surely, 2^16161128730 is an apocalyptic number.

16161128730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16161128730 is an abundant number, since it is smaller than the sum of its proper divisors (25918776774).

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

16161128730 is a wasteful number, since it uses less digits than its factorization.

16161128730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260571 (or 260568 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 16161128730 in words is "sixteen billion, one hundred sixty-one million, one hundred twenty-eight thousand, seven hundred thirty".