160638444399 has 8 divisors (see below), whose sum is σ = 219408607152. Its totient is φ = 104480288960.

The previous prime is 160638444397. The next prime is 160638444409. The reversal of 160638444399 is 993444836061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160638444399 - 2¹ = 160638444397 is a prime.

It is a super-2 number, since 2×160638444399² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160638444391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653001684 + ... + 653001929.

It is an arithmetic number, because the mean of its divisors is an integer number (27426075894).

Almost surely, 2^160638444399 is an apocalyptic number.

160638444399 is a deficient number, since it is larger than the sum of its proper divisors (58770162753).

160638444399 is a wasteful number, since it uses less digits than its factorization.

160638444399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306003657.

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 160638444399 in words is "one hundred sixty billion, six hundred thirty-eight million, four hundred forty-four thousand, three hundred ninety-nine".