161462011 has 2 divisors, whose sum is σ = 161462012. Its totient is φ = 161462010.

The previous prime is 161462003. The next prime is 161462083. The reversal of 161462011 is 110264161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161462011 - 2³ = 161462003 is a prime.

It is not a weakly prime, because it can be changed into another prime (161462711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80731005 + 80731006.

It is an arithmetic number, because the mean of its divisors is an integer number (80731006).

Almost surely, 2^161462011 is an apocalyptic number.

161462011 is a deficient number, since it is larger than the sum of its proper divisors (1).

161462011 is an equidigital number, since it uses as much as digits as its factorization.

161462011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 161462011 is about 12706.7702820190. The cubic root of 161462011 is about 544.5320574431.

The spelling of 161462011 in words is "one hundred sixty-one million, four hundred sixty-two thousand, eleven".