102193744165554 has 16 divisors (see below), whose sum is σ = 207266185350720. Its totient is φ = 33584798551920.

The previous prime is 102193744165553. The next prime is 102193744165561. The reversal of 102193744165554 is 455561447391201.

It is a super-2 number, since 2×102193744165554² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102193744165494 and 102193744165503.

It is not an unprimeable number, because it can be changed into a prime (102193744165553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119945708689 + ... + 119945709540.

It is an arithmetic number, because the mean of its divisors is an integer number (12954136584420).

Almost surely, 2^{102193744165554} is an apocalyptic number.

102193744165554 is an abundant number, since it is smaller than the sum of its proper divisors (105072441185166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102193744165554 is a wasteful number, since it uses less digits than its factorization.

102193744165554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239891418305.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 102193744165554 in words is "one hundred two trillion, one hundred ninety-three billion, seven hundred forty-four million, one hundred sixty-five thousand, five hundred fifty-four".