1006161566 has 16 divisors (see below), whose sum is σ = 1547773920. Its totient is φ = 490264320.

The previous prime is 1006161551. The next prime is 1006161589. The reversal of 1006161566 is 6651616001.

It is a super-2 number, since 2×1006161566² = 2024722193791144712, which contains 22 as substring.

It is a congruent number.

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, 72950 + ... + 85638.

It is an arithmetic number, because the mean of its divisors is an integer number (96735870).

Almost surely, 2^1006161566 is an apocalyptic number.

1006161566 is a deficient number, since it is larger than the sum of its proper divisors (541612354).

1006161566 is a wasteful number, since it uses less digits than its factorization.

1006161566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13699.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1006161566 is about 31720.0499053832. The cubic root of 1006161566 is about 1002.0496513923.

Adding to 1006161566 its reverse (6651616001), we get a palindrome (7657777567).

The spelling of 1006161566 in words is "one billion, six million, one hundred sixty-one thousand, five hundred sixty-six".