1660264950 has 48 divisors (see below), whose sum is σ = 4122035280. Its totient is φ = 442245120.

The previous prime is 1660264943. The next prime is 1660264961. The reversal of 1660264950 is 594620661.

It is a junction number, because it is equal to n+sod(n) for n = 1660264899 and 1660264908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140886 + ... + 152214.

It is an arithmetic number, because the mean of its divisors is an integer number (85875735).

Almost surely, 2^1660264950 is an apocalyptic number.

1660264950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1660264950 is an abundant number, since it is smaller than the sum of its proper divisors (2461770330).

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

1660264950 is a wasteful number, since it uses less digits than its factorization.

1660264950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321 (or 12316 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1660264950 is about 40746.3489161913. The cubic root of 1660264950 is about 1184.1111388818. Note that the first 4 decimals are identical.

The spelling of 1660264950 in words is "one billion, six hundred sixty million, two hundred sixty-four thousand, nine hundred fifty".