1660341654 has 12 divisors (see below), whose sum is σ = 3597406956. Its totient is φ = 553447212.

The previous prime is 1660341649. The next prime is 1660341667. The reversal of 1660341654 is 4561430661.

It is a happy number.

1660341654 is a `hidden beast` number, since 1 + 6 + 603 + 41 + 6 + 5 + 4 = 666.

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, 46120584 + ... + 46120619.

It is an arithmetic number, because the mean of its divisors is an integer number (299783913).

Almost surely, 2^1660341654 is an apocalyptic number.

1660341654 is an abundant number, since it is smaller than the sum of its proper divisors (1937065302).

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

1660341654 is a wasteful number, since it uses less digits than its factorization.

1660341654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92241211 (or 92241208 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1660341654 is about 40747.2901430267. The cubic root of 1660341654 is about 1184.1293738553.

The spelling of 1660341654 in words is "one billion, six hundred sixty million, three hundred forty-one thousand, six hundred fifty-four".