1667361460 has 24 divisors (see below), whose sum is σ = 3511506600. Its totient is φ = 665030784.

The previous prime is 1667361433. The next prime is 1667361469. The reversal of 1667361460 is 641637661.

It can be written as a sum of positive squares in 4 ways, for example, as 324432144 + 1342929316 = 18012^2 + 36646^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667361469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112459 + ... + 126418.

It is an arithmetic number, because the mean of its divisors is an integer number (146312775).

Almost surely, 2^1667361460 is an apocalyptic number.

1667361460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1667361460 is an abundant number, since it is smaller than the sum of its proper divisors (1844145140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1667361460 is a wasteful number, since it uses less digits than its factorization.

1667361460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239235 (or 239233 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1667361460 is about 40833.3376054420. The cubic root of 1667361460 is about 1185.7958323251.

The spelling of 1667361460 in words is "one billion, six hundred sixty-seven million, three hundred sixty-one thousand, four hundred sixty".