160651660720 has 20 divisors (see below), whose sum is σ = 373515111360. Its totient is φ = 64260664256.

The previous prime is 160651660717. The next prime is 160651660721. The reversal of 160651660720 is 27066156061.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×160651660720³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (160651660721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004072800 + ... + 1004072959.

It is an arithmetic number, because the mean of its divisors is an integer number (18675755568).

Almost surely, 2^160651660720 is an apocalyptic number.

160651660720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160651660720 is an abundant number, since it is smaller than the sum of its proper divisors (212863450640).

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

160651660720 is a wasteful number, since it uses less digits than its factorization.

160651660720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008145772 (or 2008145766 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 160651660720 in words is "one hundred sixty billion, six hundred fifty-one million, six hundred sixty thousand, seven hundred twenty".