618854168342755 has 32 divisors (see below), whose sum is σ = 749831342883840. Its totient is φ = 490302486036480.

The previous prime is 618854168342749. The next prime is 618854168342783. The reversal of 618854168342755 is 557243861458816.

It is not a de Polignac number, because 618854168342755 - 2²¹ = 618854166245603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2995362117 + ... + 2995568713.

It is an arithmetic number, because the mean of its divisors is an integer number (23432229465120).

Almost surely, 2^{618854168342755} is an apocalyptic number.

618854168342755 is a deficient number, since it is larger than the sum of its proper divisors (130977174541085).

618854168342755 is a wasteful number, since it uses less digits than its factorization.

618854168342755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220719.

The product of its digits is 1548288000, while the sum is 73.

The spelling of 618854168342755 in words is "six hundred eighteen trillion, eight hundred fifty-four billion, one hundred sixty-eight million, three hundred forty-two thousand, seven hundred fifty-five".