107621646 has 64 divisors (see below), whose sum is σ = 253034496. Its totient is φ = 30175200.

The previous prime is 107621617. The next prime is 107621651. The reversal of 107621646 is 646126701.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 45915 + ... + 48201.

It is an arithmetic number, because the mean of its divisors is an integer number (3953664).

Almost surely, 2^107621646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107621646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126517248).

107621646 is an abundant number, since it is smaller than the sum of its proper divisors (145412850).

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

107621646 is a wasteful number, since it uses less digits than its factorization.

With its successor (107621647) it forms an eRAP, since the sums of their prime factors are consecutive (2357 and 2358).

107621646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 107621646 is about 10374.0853090767. The cubic root of 107621646 is about 475.6635542372.

It can be divided in two parts, 1076 and 21646, that added together give a palindrome (22722).

The spelling of 107621646 in words is "one hundred seven million, six hundred twenty-one thousand, six hundred forty-six".