1520712066 has 16 divisors (see below), whose sum is σ = 3091284288. Its totient is φ = 498594000.

The previous prime is 1520712049. The next prime is 1520712143. The reversal of 1520712066 is 6602170251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077110 + ... + 2077841.

It is an arithmetic number, because the mean of its divisors is an integer number (193205268).

Almost surely, 2^1520712066 is an apocalyptic number.

1520712066 is an abundant number, since it is smaller than the sum of its proper divisors (1570572222).

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

1520712066 is a wasteful number, since it uses less digits than its factorization.

1520712066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155017.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1520712066 is about 38996.3083637413. The cubic root of 1520712066 is about 1149.9589313626.

The spelling of 1520712066 in words is "one billion, five hundred twenty million, seven hundred twelve thousand, sixty-six".