160398819945 has 480 divisors, whose sum is σ = 388487594880. Its totient is φ = 62548899840.

The previous prime is 160398819943. The next prime is 160398819961. The reversal of 160398819945 is 549918893061.

160398819945 is a `hidden beast` number, since 1 + 603 + 9 + 8 + 8 + 19 + 9 + 4 + 5 = 666.

It is not a de Polignac number, because 160398819945 - 2¹ = 160398819943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (160398819941) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 210773365 + ... + 210774125.

It is an arithmetic number, because the mean of its divisors is an integer number (809349156).

Almost surely, 2^160398819945 is an apocalyptic number.

160398819945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

160398819945 is an abundant number, since it is smaller than the sum of its proper divisors (228088774935).

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

160398819945 is a wasteful number, since it uses less digits than its factorization.

160398819945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 160398819945 in words is "one hundred sixty billion, three hundred ninety-eight million, eight hundred nineteen thousand, nine hundred forty-five".