101690033 has 4 divisors (see below), whose sum is σ = 107042160. Its totient is φ = 96337908.

The previous prime is 101690011. The next prime is 101690051. The reversal of 101690033 is 330096101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330096101 = 19 ⋅17373479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101690033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101689990 and 101690008.

It is not an unprimeable number, because it can be changed into a prime (101690003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676035 + ... + 2676072.

It is an arithmetic number, because the mean of its divisors is an integer number (26760540).

Almost surely, 2^101690033 is an apocalyptic number.

It is an amenable number.

101690033 is a deficient number, since it is larger than the sum of its proper divisors (5352127).

101690033 is an equidigital number, since it uses as much as digits as its factorization.

101690033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352126.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 101690033 is about 10084.1476089950. The cubic root of 101690033 is about 466.7591024944.

The spelling of 101690033 in words is "one hundred one million, six hundred ninety thousand, thirty-three".