88202661645 has 16 divisors (see below), whose sum is σ = 161284867200. Its totient is φ = 40321216704.

The previous prime is 88202661643. The next prime is 88202661649. The reversal of 88202661645 is 54616620288.

It is not a de Polignac number, because 88202661645 - 2¹ = 88202661643 is a prime.

It is a super-3 number, since 3×88202661645³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88202661594 and 88202661603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88202661643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420012570 + ... + 420012779.

It is an arithmetic number, because the mean of its divisors is an integer number (10080304200).

Almost surely, 2^88202661645 is an apocalyptic number.

It is an amenable number.

88202661645 is a deficient number, since it is larger than the sum of its proper divisors (73082205555).

88202661645 is a wasteful number, since it uses less digits than its factorization.

88202661645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840025364.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 88202661645 in words is "eighty-eight billion, two hundred two million, six hundred sixty-one thousand, six hundred forty-five".