1661110614 has 12 divisors (see below), whose sum is σ = 3599073036. Its totient is φ = 553703532.

The previous prime is 1661110609. The next prime is 1661110679. The reversal of 1661110614 is 4160111661.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46141944 + ... + 46141979.

It is an arithmetic number, because the mean of its divisors is an integer number (299922753).

Almost surely, 2^1661110614 is an apocalyptic number.

1661110614 is an abundant number, since it is smaller than the sum of its proper divisors (1937962422).

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

1661110614 is a wasteful number, since it uses less digits than its factorization.

1661110614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92283931 (or 92283928 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1661110614 is about 40756.7247702756. The cubic root of 1661110614 is about 1184.3121490066.

It can be divided in two parts, 16611 and 10614, that added together give a square (27225 = 165²).

The spelling of 1661110614 in words is "one billion, six hundred sixty-one million, one hundred ten thousand, six hundred fourteen".