1040666667 has 16 divisors (see below), whose sum is σ = 1408400640. Its totient is φ = 683373600.

The previous prime is 1040666657. The next prime is 1040666677. The reversal of 1040666667 is 7666660401.

It is an interprime number because it is at equal distance from previous prime (1040666657) and next prime (1040666677).

It is not a de Polignac number, because 1040666667 - 2⁸ = 1040666411 is a prime.

It is a super-2 number, since 2×1040666667² = 2165974223609777778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040666647) 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, 379692 + ... + 382422.

It is an arithmetic number, because the mean of its divisors is an integer number (88025040).

Almost surely, 2^1040666667 is an apocalyptic number.

1040666667 is a deficient number, since it is larger than the sum of its proper divisors (367733973).

1040666667 is a wasteful number, since it uses less digits than its factorization.

1040666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 1040666667 is about 32259.3655703270. The cubic root of 1040666667 is about 1013.3758447390.

The spelling of 1040666667 in words is "one billion, forty million, six hundred sixty-six thousand, six hundred sixty-seven".