160040661 has 16 divisors (see below), whose sum is σ = 235096128. Its totient is φ = 96032000.

The previous prime is 160040653. The next prime is 160040663. The reversal of 160040661 is 166040061.

It is a cyclic number.

It is not a de Polignac number, because 160040661 - 2³ = 160040653 is a prime.

It is a super-2 number, since 2×160040661² = 51226026346633842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160040663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20676 + ... + 27341.

It is an arithmetic number, because the mean of its divisors is an integer number (14693508).

Almost surely, 2^160040661 is an apocalyptic number.

160040661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

160040661 is a deficient number, since it is larger than the sum of its proper divisors (75055467).

160040661 is a wasteful number, since it uses less digits than its factorization.

160040661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48132.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 160040661 is about 12650.7178057215. The cubic root of 160040661 is about 542.9295073133.

The spelling of 160040661 in words is "one hundred sixty million, forty thousand, six hundred sixty-one".