10561418 has 32 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 4368960.

The previous prime is 10561409. The next prime is 10561427. The reversal of 10561418 is 81416501.

It is an interprime number because it is at equal distance from previous prime (10561409) and next prime (10561427).

It is a super-2 number, since 2×10561418² = 223087100341448, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70808 + ... + 70956.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^10561418 is an apocalyptic number.

10561418 is a deficient number, since it is larger than the sum of its proper divisors (8187382).

10561418 is a wasteful number, since it uses less digits than its factorization.

10561418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 10561418 is about 3249.8335341983. The cubic root of 10561418 is about 219.4020816776.

Adding to 10561418 its reverse (81416501), we get a palindrome (91977919).

The spelling of 10561418 in words is "ten million, five hundred sixty-one thousand, four hundred eighteen".