10961658 has 24 divisors (see below), whose sum is σ = 23819796. Its totient is φ = 3643200.

The previous prime is 10961653. The next prime is 10961659. The reversal of 10961658 is 85616901.

It can be written as a sum of positive squares in 2 ways, for example, as 10673289 + 288369 = 3267^2 + 537^2 .

It is a super-2 number, since 2×10961658² = 240315892217928, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10961653) 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 11 ways as a sum of consecutive naturals, for example, 7638 + ... + 8958.

Almost surely, 2^10961658 is an apocalyptic number.

10961658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10961658 is an abundant number, since it is smaller than the sum of its proper divisors (12858138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10961658 is a wasteful number, since it uses less digits than its factorization.

10961658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 10961658 is about 3310.8394705875. The cubic root of 10961658 is about 222.1393087161.

The spelling of 10961658 in words is "ten million, nine hundred sixty-one thousand, six hundred fifty-eight".