102169620 has 192 divisors, whose sum is σ = 367718400. Its totient is φ = 23068800.

The previous prime is 102169567. The next prime is 102169649. The reversal of 102169620 is 26961201.

102169620 is a `hidden beast` number, since 10 + 21 + 6 + 9 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 570691 + ... + 570869.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^102169620 is an apocalyptic number.

102169620 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 102169620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183859200).

102169620 is an abundant number, since it is smaller than the sum of its proper divisors (265548780).

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

102169620 is a wasteful number, since it uses less digits than its factorization.

102169620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 102169620 is about 10107.8988914611. The cubic root of 102169620 is about 467.4917229987.

The spelling of 102169620 in words is "one hundred two million, one hundred sixty-nine thousand, six hundred twenty".