160398255561690 has 16 divisors (see below), whose sum is σ = 384955813348128. Its totient is φ = 42772868149776.

The previous prime is 160398255561617. The next prime is 160398255561721. The reversal of 160398255561690 is 96165552893061.

It is a super-2 number, since 2×160398255561690² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673304259332 + ... + 2673304259391.

It is an arithmetic number, because the mean of its divisors is an integer number (24059738334258).

Almost surely, 2^{160398255561690} is an apocalyptic number.

160398255561690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160398255561690 is an abundant number, since it is smaller than the sum of its proper divisors (224557557786438).

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

160398255561690 is a wasteful number, since it uses less digits than its factorization.

160398255561690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346608518733.

The product of its (nonzero) digits is 104976000, while the sum is 66.

The spelling of 160398255561690 in words is "one hundred sixty trillion, three hundred ninety-eight billion, two hundred fifty-five million, five hundred sixty-one thousand, six hundred ninety".