102220168557 has 32 divisors (see below), whose sum is σ = 147478826880. Its totient is φ = 62604564480.

The previous prime is 102220168507. The next prime is 102220168579. The reversal of 102220168557 is 755861022201.

It is not a de Polignac number, because 102220168557 - 2¹⁴ = 102220152173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220168507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24237913 + ... + 24242129.

It is an arithmetic number, because the mean of its divisors is an integer number (4608713340).

Almost surely, 2^102220168557 is an apocalyptic number.

It is an amenable number.

102220168557 is a deficient number, since it is larger than the sum of its proper divisors (45258658323).

102220168557 is a wasteful number, since it uses less digits than its factorization.

102220168557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 102220168557 in words is "one hundred two billion, two hundred twenty million, one hundred sixty-eight thousand, five hundred fifty-seven".