1667022465 has 32 divisors (see below), whose sum is σ = 2826354816. Its totient is φ = 836121600.

The previous prime is 1667022449. The next prime is 1667022479. The reversal of 1667022465 is 5642207661.

1667022465 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1667022465 - 2⁴ = 1667022449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583290 + ... + 586140.

It is an arithmetic number, because the mean of its divisors is an integer number (88323588).

Almost surely, 2^1667022465 is an apocalyptic number.

1667022465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1667022465 is a deficient number, since it is larger than the sum of its proper divisors (1159332351).

1667022465 is a wasteful number, since it uses less digits than its factorization.

1667022465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1667022465 is about 40829.1864356859. The cubic root of 1667022465 is about 1185.7154646077.

The spelling of 1667022465 in words is "one billion, six hundred sixty-seven million, twenty-two thousand, four hundred sixty-five".