2066530401 has 160 divisors (see below), whose sum is σ = 3707827200. Its totient is φ = 1136540160.

The previous prime is 2066530399. The next prime is 2066530409. The reversal of 2066530401 is 1040356602.

2066530401 is a `hidden beast` number, since 2 + 0 + 6 + 653 + 0 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 2066530401 - 2¹ = 2066530399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2066530409) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 35025910 + ... + 35025968.

It is an arithmetic number, because the mean of its divisors is an integer number (23173920).

Almost surely, 2^2066530401 is an apocalyptic number.

It is an amenable number.

2066530401 is a deficient number, since it is larger than the sum of its proper divisors (1641296799).

2066530401 is a wasteful number, since it uses less digits than its factorization.

2066530401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2066530401 is about 45459.1069093972. The cubic root of 2066530401 is about 1273.7394489546.

The spelling of 2066530401 in words is "two billion, sixty-six million, five hundred thirty thousand, four hundred one".