1667414397 has 32 divisors (see below), whose sum is σ = 2528672256. Its totient is φ = 968385600.

The previous prime is 1667414387. The next prime is 1667414423. The reversal of 1667414397 is 7934147661.

It is not a de Polignac number, because 1667414397 - 2¹⁶ = 1667348861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667414387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64122 + ... + 86292.

It is an arithmetic number, because the mean of its divisors is an integer number (79021008).

Almost surely, 2^1667414397 is an apocalyptic number.

It is an amenable number.

1667414397 is a deficient number, since it is larger than the sum of its proper divisors (861257859).

1667414397 is a wasteful number, since it uses less digits than its factorization.

1667414397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22281.

The product of its digits is 762048, while the sum is 48.

The square root of 1667414397 is about 40833.9858083925. The cubic root of 1667414397 is about 1185.8083814556.

The spelling of 1667414397 in words is "one billion, six hundred sixty-seven million, four hundred fourteen thousand, three hundred ninety-seven".