1167016081 has 48 divisors (see below), whose sum is σ = 1558036480. Its totient is φ = 853221600.

The previous prime is 1167016079. The next prime is 1167016091. The reversal of 1167016081 is 1806107611.

It is not a de Polignac number, because 1167016081 - 2¹ = 1167016079 is a prime.

It is a super-2 number, since 2×1167016081² = 2723853066625197122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1167016031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2043526 + ... + 2044096.

Almost surely, 2^1167016081 is an apocalyptic number.

1167016081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1167016081 is a deficient number, since it is larger than the sum of its proper divisors (391020399).

1167016081 is a wasteful number, since it uses less digits than its factorization.

1167016081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 1167016081 is about 34161.6170723811. The cubic root of 1167016081 is about 1052.8316856228.

The spelling of 1167016081 in words is "one billion, one hundred sixty-seven million, sixteen thousand, eighty-one".