701612161520 has 40 divisors (see below), whose sum is σ = 1634771576256. Its totient is φ = 280038705408.

The previous prime is 701612161477. The next prime is 701612161529. The reversal of 701612161520 is 25161216107.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701612161529) 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, 9433967 + ... + 9508046.

Almost surely, 2^701612161520 is an apocalyptic number.

It is an amenable number.

701612161520 is an abundant number, since it is smaller than the sum of its proper divisors (933159414736).

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

701612161520 is a wasteful number, since it uses less digits than its factorization.

701612161520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942489 (or 18942483 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 701612161520 its reverse (25161216107), we get a palindrome (726773377627).

The spelling of 701612161520 in words is "seven hundred one billion, six hundred twelve million, one hundred sixty-one thousand, five hundred twenty".