160851601500 has 384 divisors, whose sum is σ = 491992510464. Its totient is φ = 40803840000.

The previous prime is 160851601499. The next prime is 160851601523. The reversal of 160851601500 is 5106158061.

It is a super-2 number, since 2×160851601500² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 485956335 + ... + 485956665.

It is an arithmetic number, because the mean of its divisors is an integer number (1281230496).

Almost surely, 2^160851601500 is an apocalyptic number.

160851601500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160851601500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245996255232).

160851601500 is an abundant number, since it is smaller than the sum of its proper divisors (331140908964).

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

160851601500 is a wasteful number, since it uses less digits than its factorization.

160851601500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

Adding to 160851601500 its reverse (5106158061), we get a palindrome (165957759561).

The spelling of 160851601500 in words is "one hundred sixty billion, eight hundred fifty-one million, six hundred one thousand, five hundred".