1660275276 has 96 divisors (see below), whose sum is σ = 4313336832. Its totient is φ = 492824640.

The previous prime is 1660275241. The next prime is 1660275283. The reversal of 1660275276 is 6725720661.

1660275276 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2007175 + ... + 2008001.

It is an arithmetic number, because the mean of its divisors is an integer number (44930592).

Almost surely, 2^1660275276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1660275276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156668416).

1660275276 is an abundant number, since it is smaller than the sum of its proper divisors (2653061556).

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

1660275276 is a wasteful number, since it uses less digits than its factorization.

1660275276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 1660275276 is about 40746.4756267337. The cubic root of 1660275276 is about 1184.1135937322.

The spelling of 1660275276 in words is "one billion, six hundred sixty million, two hundred seventy-five thousand, two hundred seventy-six".