103757661 has 12 divisors (see below), whose sum is σ = 171282592. Its totient is φ = 59290056.

The previous prime is 103757659. The next prime is 103757677. The reversal of 103757661 is 166757301.

It is not a de Polignac number, because 103757661 - 2¹ = 103757659 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 (103757611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823411 + ... + 823536.

Almost surely, 2^103757661 is an apocalyptic number.

It is an amenable number.

103757661 is a deficient number, since it is larger than the sum of its proper divisors (67524931).

103757661 is a wasteful number, since it uses less digits than its factorization.

103757661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646960 (or 1646957 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 103757661 is about 10186.1504504891. The cubic root of 103757661 is about 469.9013841687.

The spelling of 103757661 in words is "one hundred three million, seven hundred fifty-seven thousand, six hundred sixty-one".