102193744165542 has 48 divisors (see below), whose sum is σ = 228022943616000. Its totient is φ = 33063326770032.

The previous prime is 102193744165537. The next prime is 102193744165543. The reversal of 102193744165542 is 245561447391201.

102193744165542 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 9 + 3 + 74 + 4 + 16 + 554 + 2 = 666.

It is a super-2 number, since 2×102193744165542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102193744165543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 608951742 + ... + 609119537.

It is an arithmetic number, because the mean of its divisors is an integer number (4750477992000).

Almost surely, 2^{102193744165542} is an apocalyptic number.

102193744165542 is an abundant number, since it is smaller than the sum of its proper divisors (125829199450458).

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

102193744165542 is a wasteful number, since it uses less digits than its factorization.

102193744165542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218071425 (or 1218071422 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 102193744165542 in words is "one hundred two trillion, one hundred ninety-three billion, seven hundred forty-four million, one hundred sixty-five thousand, five hundred forty-two".