1067661662 has 8 divisors (see below), whose sum is σ = 1608486600. Its totient is φ = 531499464.

The previous prime is 1067661653. The next prime is 1067661671. The reversal of 1067661662 is 2661667601.

It is an interprime number because it is at equal distance from previous prime (1067661653) and next prime (1067661671).

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

It is a super-2 number, since 2×1067661662² = 2279802849009204488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165112 + ... + 1166027.

It is an arithmetic number, because the mean of its divisors is an integer number (201060825).

Almost surely, 2^1067661662 is an apocalyptic number.

1067661662 is a deficient number, since it is larger than the sum of its proper divisors (540824938).

1067661662 is a wasteful number, since it uses less digits than its factorization.

1067661662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331370.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1067661662 is about 32675.0923793644. The cubic root of 1067661662 is about 1022.0635087544.

The spelling of 1067661662 in words is "one billion, sixty-seven million, six hundred sixty-one thousand, six hundred sixty-two".