161012463 has 8 divisors (see below), whose sum is σ = 218734128. Its totient is φ = 105316224.

The previous prime is 161012461. The next prime is 161012471. The reversal of 161012463 is 364210161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161012463 - 2¹ = 161012461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161012461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506170 + ... + 506487.

It is an arithmetic number, because the mean of its divisors is an integer number (27341766).

Almost surely, 2^161012463 is an apocalyptic number.

161012463 is a deficient number, since it is larger than the sum of its proper divisors (57721665).

161012463 is a wasteful number, since it uses less digits than its factorization.

161012463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012713.

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

The square root of 161012463 is about 12689.0686419453. The cubic root of 161012463 is about 544.0262194957.

The spelling of 161012463 in words is "one hundred sixty-one million, twelve thousand, four hundred sixty-three".