161462420485 has 8 divisors (see below), whose sum is σ = 193757389560. Its totient is φ = 129168279744.

The previous prime is 161462420477. The next prime is 161462420519. The reversal of 161462420485 is 584024264161.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1047752161 + 160414668324 = 32369^2 + 400518^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 161462420485 - 2³ = 161462420477 is a prime.

It is a super-2 number, since 2×161462420485² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365871 + ... + 675859.

It is an arithmetic number, because the mean of its divisors is an integer number (24219673695).

Almost surely, 2^161462420485 is an apocalyptic number.

It is an amenable number.

161462420485 is a deficient number, since it is larger than the sum of its proper divisors (32294969075).

161462420485 is a wasteful number, since it uses less digits than its factorization.

161462420485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414167.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 161462420485 in words is "one hundred sixty-one billion, four hundred sixty-two million, four hundred twenty thousand, four hundred eighty-five".