161466415 has 8 divisors (see below), whose sum is σ = 211374288. Its totient is φ = 117430080.

The previous prime is 161466367. The next prime is 161466439. The reversal of 161466415 is 514664161.

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

It is not a de Polignac number, because 161466415 - 2¹¹ = 161464367 is a prime.

It is a Duffinian number.

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, 1467822 + ... + 1467931.

It is an arithmetic number, because the mean of its divisors is an integer number (26421786).

Almost surely, 2^161466415 is an apocalyptic number.

161466415 is a deficient number, since it is larger than the sum of its proper divisors (49907873).

161466415 is a wasteful number, since it uses less digits than its factorization.

161466415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935769.

The product of its digits is 17280, while the sum is 34.

The square root of 161466415 is about 12706.9435742825. The cubic root of 161466415 is about 544.5370082411.

It can be divided in two parts, 1 and 61466415, that added together give a palindrome (61466416).

The spelling of 161466415 in words is "one hundred sixty-one million, four hundred sixty-six thousand, four hundred fifteen".