1452201660 has 144 divisors (see below), whose sum is σ = 5421614016. Its totient is φ = 306395136.

The previous prime is 1452201649. The next prime is 1452201671. The reversal of 1452201660 is 661022541.

1452201660 is a `hidden beast` number, since 1 + 452 + 201 + 6 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1452201649) and next prime (1452201671).

It is a super-2 number, since 2×1452201660² = 4217779322613511200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27949 + ... + 60708.

Almost surely, 2^1452201660 is an apocalyptic number.

1452201660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452201660 is an abundant number, since it is smaller than the sum of its proper divisors (3969412356).

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

1452201660 is a wasteful number, since it uses less digits than its factorization.

1452201660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88692 (or 88687 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1452201660 is about 38107.7637759027. The cubic root of 1452201660 is about 1132.4237686799.

The spelling of 1452201660 in words is "one billion, four hundred fifty-two million, two hundred one thousand, six hundred sixty".