1529220066 has 32 divisors (see below), whose sum is σ = 3338108928. Its totient is φ = 463173840.

The previous prime is 1529220053. The next prime is 1529220079. The reversal of 1529220066 is 6600229251.

It is an interprime number because it is at equal distance from previous prime (1529220053) and next prime (1529220079).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173031 + ... + 181653.

It is an arithmetic number, because the mean of its divisors is an integer number (104315904).

Almost surely, 2^1529220066 is an apocalyptic number.

1529220066 is an abundant number, since it is smaller than the sum of its proper divisors (1808888862).

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

1529220066 is a wasteful number, since it uses less digits than its factorization.

1529220066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1529220066 is about 39105.2434591578. The cubic root of 1529220066 is about 1152.0995209040.

The spelling of 1529220066 in words is "one billion, five hundred twenty-nine million, two hundred twenty thousand, sixty-six".