1930167161 has 16 divisors (see below), whose sum is σ = 2102370816. Its totient is φ = 1761414336.

The previous prime is 1930167157. The next prime is 1930167179. The reversal of 1930167161 is 1617610391.

It is a cyclic number.

It is not a de Polignac number, because 1930167161 - 2² = 1930167157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1930167121) 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, 1355696 + ... + 1357118.

It is an arithmetic number, because the mean of its divisors is an integer number (131398176).

Almost surely, 2^1930167161 is an apocalyptic number.

It is an amenable number.

1930167161 is a deficient number, since it is larger than the sum of its proper divisors (172203655).

1930167161 is a wasteful number, since it uses less digits than its factorization.

1930167161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1930167161 is about 43933.6677389903. The cubic root of 1930167161 is about 1245.0830116206.

The spelling of 1930167161 in words is "one billion, nine hundred thirty million, one hundred sixty-seven thousand, one hundred sixty-one".