10357661 has 4 divisors (see below), whose sum is σ = 10371900. Its totient is φ = 10343424.

The previous prime is 10357649. The next prime is 10357663. The reversal of 10357661 is 16675301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5317636 + 5040025 = 2306^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 10357661 - 2²² = 6163357 is a prime.

It is a super-3 number, since 3×10357661³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10357663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5966 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (2592975).

Almost surely, 2^10357661 is an apocalyptic number.

It is an amenable number.

10357661 is a deficient number, since it is larger than the sum of its proper divisors (14239).

10357661 is an equidigital number, since it uses as much as digits as its factorization.

10357661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 10357661 is about 3218.3320214049. The cubic root of 10357661 is about 217.9819655142.

It can be divided in two parts, 103576 and 61, that multiplied together give a palindrome (6318136).

The spelling of 10357661 in words is "ten million, three hundred fifty-seven thousand, six hundred sixty-one".