1769428066 has 16 divisors (see below), whose sum is σ = 3038317056. Its totient is φ = 757073376.

The previous prime is 1769428061. The next prime is 1769428099. The reversal of 1769428066 is 6608249671.

It is not an unprimeable number, because it can be changed into a prime (1769428061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95611 + ... + 112606.

It is an arithmetic number, because the mean of its divisors is an integer number (189894816).

Almost surely, 2^1769428066 is an apocalyptic number.

1769428066 is a deficient number, since it is larger than the sum of its proper divisors (1268888990).

1769428066 is a wasteful number, since it uses less digits than its factorization.

1769428066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208833.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1769428066 is about 42064.5701986838. The cubic root of 1769428066 is about 1209.5141974409.

The spelling of 1769428066 in words is "one billion, seven hundred sixty-nine million, four hundred twenty-eight thousand, sixty-six".