101968665 has 16 divisors (see below), whose sum is σ = 163435776. Its totient is φ = 54288000.

The previous prime is 101968651. The next prime is 101968679. The reversal of 101968665 is 566869101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101968651) and next prime (101968679).

It is not a de Polignac number, because 101968665 - 2¹¹ = 101966617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360 + ... + 14670.

It is an arithmetic number, because the mean of its divisors is an integer number (10214736).

Almost surely, 2^101968665 is an apocalyptic number.

101968665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101968665 is a deficient number, since it is larger than the sum of its proper divisors (61467111).

101968665 is a wasteful number, since it uses less digits than its factorization.

101968665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 101968665 is about 10097.9535055376. The cubic root of 101968665 is about 467.1850223729.

The spelling of 101968665 in words is "one hundred one million, nine hundred sixty-eight thousand, six hundred sixty-five".