700161120072 has 64 divisors (see below), whose sum is σ = 1945900353600. Its totient is φ = 233266037760.

The previous prime is 700161120007. The next prime is 700161120077. The reversal of 700161120072 is 270021161007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (700161120077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422233 + ... + 1256424.

It is an arithmetic number, because the mean of its divisors is an integer number (30404693025).

Almost surely, 2^700161120072 is an apocalyptic number.

700161120072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

700161120072 is an abundant number, since it is smaller than the sum of its proper divisors (1245739233528).

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

700161120072 is a wasteful number, since it uses less digits than its factorization.

700161120072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680603 (or 1680593 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

Adding to 700161120072 its reverse (270021161007), we get a palindrome (970182281079).

The spelling of 700161120072 in words is "seven hundred billion, one hundred sixty-one million, one hundred twenty thousand, seventy-two".