168780102 has 32 divisors (see below), whose sum is σ = 349926912. Its totient is φ = 54235104.

The previous prime is 168780091. The next prime is 168780109. The reversal of 168780102 is 201087861.

It is a happy number.

It is a super-2 number, since 2×168780102² = 56973445662260808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168780109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14428 + ... + 23360.

It is an arithmetic number, because the mean of its divisors is an integer number (10935216).

Almost surely, 2^168780102 is an apocalyptic number.

168780102 is an abundant number, since it is smaller than the sum of its proper divisors (181146810).

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

168780102 is a wasteful number, since it uses less digits than its factorization.

168780102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9052.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 168780102 is about 12991.5396316218. The cubic root of 168780102 is about 552.6375811287.

The spelling of 168780102 in words is "one hundred sixty-eight million, seven hundred eighty thousand, one hundred two".