161652465506 has 8 divisors (see below), whose sum is σ = 277118512320. Its totient is φ = 69279628068.

The previous prime is 161652465467. The next prime is 161652465547. The reversal of 161652465506 is 605564256161.

161652465506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×161652465506² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5773302326 + ... + 5773302353.

It is an arithmetic number, because the mean of its divisors is an integer number (34639814040).

Almost surely, 2^161652465506 is an apocalyptic number.

161652465506 is a deficient number, since it is larger than the sum of its proper divisors (115466046814).

161652465506 is a wasteful number, since it uses less digits than its factorization.

161652465506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11546604688.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 161652465506 in words is "one hundred sixty-one billion, six hundred fifty-two million, four hundred sixty-five thousand, five hundred six".