10667642 has 8 divisors (see below), whose sum is σ = 16118676. Its totient is φ = 5294752.

The previous prime is 10667641. The next prime is 10667647. The reversal of 10667642 is 24676601.

10667642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9541921 + 1125721 = 3089^2 + 1061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10667642² = 227597171680328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10667599 and 10667608.

It is not an unprimeable number, because it can be changed into a prime (10667641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19193 + ... + 19740.

Almost surely, 2^10667642 is an apocalyptic number.

10667642 is a deficient number, since it is larger than the sum of its proper divisors (5451034).

10667642 is a wasteful number, since it uses less digits than its factorization.

10667642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39072.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 10667642 is about 3266.1356371100. The cubic root of 10667642 is about 220.1351923879.

The spelling of 10667642 in words is "ten million, six hundred sixty-seven thousand, six hundred forty-two".