1625201066 has 8 divisors (see below), whose sum is σ = 2455340160. Its totient is φ = 806754348.

The previous prime is 1625201059. The next prime is 1625201069. The reversal of 1625201066 is 6601025261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1625201066³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1625201069) 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, 2922746 + ... + 2923301.

It is an arithmetic number, because the mean of its divisors is an integer number (306917520).

Almost surely, 2^1625201066 is an apocalyptic number.

1625201066 is a deficient number, since it is larger than the sum of its proper divisors (830139094).

1625201066 is a wasteful number, since it uses less digits than its factorization.

1625201066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5846188.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1625201066 is about 40313.7825811471. The cubic root of 1625201066 is about 1175.7158314463.

The spelling of 1625201066 in words is "one billion, six hundred twenty-five million, two hundred one thousand, sixty-six".