1660450414 has 32 divisors (see below), whose sum is σ = 2911239936. Its totient is φ = 695597760.

The previous prime is 1660450397. The next prime is 1660450417. The reversal of 1660450414 is 4140540661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660450417) 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, 116122 + ... + 129634.

It is an arithmetic number, because the mean of its divisors is an integer number (90976248).

Almost surely, 2^1660450414 is an apocalyptic number.

1660450414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1660450414 is a deficient number, since it is larger than the sum of its proper divisors (1250789522).

1660450414 is a wasteful number, since it uses less digits than its factorization.

1660450414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13720.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1660450414 is about 40748.6246884481. The cubic root of 1660450414 is about 1184.1552285940.

The spelling of 1660450414 in words is "one billion, six hundred sixty million, four hundred fifty thousand, four hundred fourteen".