161311007463 has 8 divisors (see below), whose sum is σ = 217091449728. Its totient is φ = 106535618424.

The previous prime is 161311007443. The next prime is 161311007489. The reversal of 161311007463 is 364700113161.

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

It is not a de Polignac number, because 161311007463 - 2¹⁶ = 161310941927 is a prime.

It is a super-3 number, since 3×161311007463³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161311007443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251262931 + ... + 251263572.

It is an arithmetic number, because the mean of its divisors is an integer number (27136431216).

Almost surely, 2^161311007463 is an apocalyptic number.

161311007463 is a deficient number, since it is larger than the sum of its proper divisors (55780442265).

161311007463 is a wasteful number, since it uses less digits than its factorization.

161311007463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502526613.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 161311007463 in words is "one hundred sixty-one billion, three hundred eleven million, seven thousand, four hundred sixty-three".