102078161752 has 32 divisors (see below), whose sum is σ = 218760364800. Its totient is φ = 43743494304.

The previous prime is 102078161747. The next prime is 102078161753. The reversal of 102078161752 is 257161870201.

It is a super-2 number, since 2×102078161752² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102078161753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524173 + ... + 692035.

It is an arithmetic number, because the mean of its divisors is an integer number (6836261400).

Almost surely, 2^102078161752 is an apocalyptic number.

It is an amenable number.

102078161752 is an abundant number, since it is smaller than the sum of its proper divisors (116682203048).

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

102078161752 is a wasteful number, since it uses less digits than its factorization.

102078161752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178735 (or 178731 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 102078161752 in words is "one hundred two billion, seventy-eight million, one hundred sixty-one thousand, seven hundred fifty-two".