10661435 has 16 divisors (see below), whose sum is σ = 13239072. Its totient is φ = 8236800.

The previous prime is 10661423. The next prime is 10661449. The reversal of 10661435 is 53416601.

It is not a de Polignac number, because 10661435 - 2¹⁶ = 10595899 is a prime.

It is a super-2 number, since 2×10661435² = 227332392518450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26657 + ... + 27053.

It is an arithmetic number, because the mean of its divisors is an integer number (827442).

Almost surely, 2^10661435 is an apocalyptic number.

10661435 is a deficient number, since it is larger than the sum of its proper divisors (2577637).

10661435 is a wasteful number, since it uses less digits than its factorization.

10661435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10661435 is about 3265.1852933639. The cubic root of 10661435 is about 220.0924886603.

It can be divided in two parts, 10661 and 435, that multiplied together give a triangular number (4637535 = T₃₀₄₅).

The spelling of 10661435 in words is "ten million, six hundred sixty-one thousand, four hundred thirty-five".