1050421660 has 12 divisors (see below), whose sum is σ = 2205885528. Its totient is φ = 420168656.

The previous prime is 1050421657. The next prime is 1050421667. The reversal of 1050421660 is 661240501.

It is a super-2 number, since 2×1050421660² = 2206771327594311200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050421667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26260522 + ... + 26260561.

It is an arithmetic number, because the mean of its divisors is an integer number (183823794).

Almost surely, 2^1050421660 is an apocalyptic number.

1050421660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050421660 is an abundant number, since it is smaller than the sum of its proper divisors (1155463868).

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

1050421660 is a wasteful number, since it uses less digits than its factorization.

1050421660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52521092 (or 52521090 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1050421660 is about 32410.2091940179. The cubic root of 1050421660 is about 1016.5323937455.

The spelling of 1050421660 in words is "one billion, fifty million, four hundred twenty-one thousand, six hundred sixty".