10661274 has 32 divisors (see below), whose sum is σ = 25515840. Its totient is φ = 3280176.

The previous prime is 10661263. The next prime is 10661279. The reversal of 10661274 is 47216601.

10661274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10661274² = 227325526606152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10661279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6892 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (797370).

Almost surely, 2^10661274 is an apocalyptic number.

10661274 is an abundant number, since it is smaller than the sum of its proper divisors (14854566).

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

10661274 is a wasteful number, since it uses less digits than its factorization.

10661274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211 (or 15205 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 10661274 is about 3265.1606392335. The cubic root of 10661274 is about 220.0913807710.

Adding to 10661274 its reverse (47216601), we get a palindrome (57877875).

The spelling of 10661274 in words is "ten million, six hundred sixty-one thousand, two hundred seventy-four".