161466052533 has 8 divisors (see below), whose sum is σ = 215378196000. Its totient is φ = 107598972048.

The previous prime is 161466052507. The next prime is 161466052591. The reversal of 161466052533 is 335250664161.

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

It is not a de Polignac number, because 161466052533 - 2¹⁸ = 161465790389 is a prime.

It is a super-2 number, since 2×161466052533² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161466052133) 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, 11257383 + ... + 11271716.

It is an arithmetic number, because the mean of its divisors is an integer number (26922274500).

Almost surely, 2^161466052533 is an apocalyptic number.

It is an amenable number.

161466052533 is a deficient number, since it is larger than the sum of its proper divisors (53912143467).

161466052533 is a wasteful number, since it uses less digits than its factorization.

161466052533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22531491.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 161466052533 in words is "one hundred sixty-one billion, four hundred sixty-six million, fifty-two thousand, five hundred thirty-three".