2520161164233 has 40 divisors (see below), whose sum is σ = 3804703115400. Its totient is φ = 1662336000000.

The previous prime is 2520161164163. The next prime is 2520161164289. The reversal of 2520161164233 is 3324611610252.

2520161164233 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 1 + 6 + 1 + 1 + 642 + 3 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 106774058169 + 2413387106064 = 326763^2 + 1553508^2 .

It is not a de Polignac number, because 2520161164233 - 2¹⁷ = 2520161033161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520161164133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2695483 + ... + 3507983.

It is an arithmetic number, because the mean of its divisors is an integer number (95117577885).

Almost surely, 2^{2520161164233} is an apocalyptic number.

It is an amenable number.

2520161164233 is a deficient number, since it is larger than the sum of its proper divisors (1284541951167).

2520161164233 is a wasteful number, since it uses less digits than its factorization.

2520161164233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812919 (or 812910 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 2520161164233 its reverse (3324611610252), we get a palindrome (5844772774485).

The spelling of 2520161164233 in words is "two trillion, five hundred twenty billion, one hundred sixty-one million, one hundred sixty-four thousand, two hundred thirty-three".