88018435661 has 16 divisors (see below), whose sum is σ = 98922104064. Its totient is φ = 77706038784.

The previous prime is 88018435651. The next prime is 88018435669. The reversal of 88018435661 is 16653481088.

It is a cyclic number.

It is not a de Polignac number, because 88018435661 - 2²⁶ = 87951326797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88018435669) 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, 4201565 + ... + 4222461.

It is an arithmetic number, because the mean of its divisors is an integer number (6182631504).

Almost surely, 2^88018435661 is an apocalyptic number.

It is an amenable number.

88018435661 is a deficient number, since it is larger than the sum of its proper divisors (10903668403).

88018435661 is a wasteful number, since it uses less digits than its factorization.

88018435661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35020.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 88018435661 in words is "eighty-eight billion, eighteen million, four hundred thirty-five thousand, six hundred sixty-one".