102163740 has 96 divisors (see below), whose sum is σ = 328333824. Its totient is φ = 23251200.

The previous prime is 102163729. The next prime is 102163783. The reversal of 102163740 is 47361201.

It is a self number, because there is not a number n which added to its sum of digits gives 102163740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145390 + ... + 146090.

It is an arithmetic number, because the mean of its divisors is an integer number (3420144).

Almost surely, 2^102163740 is an apocalyptic number.

102163740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102163740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164166912).

102163740 is an abundant number, since it is smaller than the sum of its proper divisors (226170084).

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

102163740 is a wasteful number, since it uses less digits than its factorization.

102163740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 102163740 is about 10107.6080256409. The cubic root of 102163740 is about 467.4827545661.

The spelling of 102163740 in words is "one hundred two million, one hundred sixty-three thousand, seven hundred forty".