107503661 has 4 divisors (see below), whose sum is σ = 107710524. Its totient is φ = 107296800.

The previous prime is 107503657. The next prime is 107503673. The reversal of 107503661 is 166305701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79477225 + 28026436 = 8915^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 107503661 - 2² = 107503657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107503601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102650 + ... + 103691.

It is an arithmetic number, because the mean of its divisors is an integer number (26927631).

Almost surely, 2^107503661 is an apocalyptic number.

It is an amenable number.

107503661 is a deficient number, since it is larger than the sum of its proper divisors (206863).

107503661 is an equidigital number, since it uses as much as digits as its factorization.

107503661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206862.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 107503661 is about 10368.3972242580. The cubic root of 107503661 is about 475.4896682596.

The spelling of 107503661 in words is "one hundred seven million, five hundred three thousand, six hundred sixty-one".