1065151666 has 16 divisors (see below), whose sum is σ = 1754942400. Its totient is φ = 482608368.

The previous prime is 1065151651. The next prime is 1065151739. The reversal of 1065151666 is 6661515601.

It is a super-2 number, since 2×1065151666² = 2269096143165151112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608481 + ... + 610228.

It is an arithmetic number, because the mean of its divisors is an integer number (109683900).

Almost surely, 2^1065151666 is an apocalyptic number.

1065151666 is a deficient number, since it is larger than the sum of its proper divisors (689790734).

1065151666 is a wasteful number, since it uses less digits than its factorization.

1065151666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218753.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1065151666 is about 32636.6613794978. The cubic root of 1065151666 is about 1021.2619476177.

The spelling of 1065151666 in words is "one billion, sixty-five million, one hundred fifty-one thousand, six hundred sixty-six".