1010033805661 has 8 divisors (see below), whose sum is σ = 1015767090720. Its totient is φ = 1004301528048.

The previous prime is 1010033805589. The next prime is 1010033805787. The reversal of 1010033805661 is 1665083300101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010033805661 - 2²⁷ = 1009899587933 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 (1010033805461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806555 + ... + 2298631.

It is an arithmetic number, because the mean of its divisors is an integer number (126970886340).

Almost surely, 2^{1010033805661} is an apocalyptic number.

It is an amenable number.

1010033805661 is a deficient number, since it is larger than the sum of its proper divisors (5733285059).

1010033805661 is a wasteful number, since it uses less digits than its factorization.

1010033805661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503723.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 1010033805661 in words is "one trillion, ten billion, thirty-three million, eight hundred five thousand, six hundred sixty-one".