Search a number
-
+
161066064 = 2433355543
BaseRepresentation
bin10011001100110…
…10110001010000
3102020002000002210
421212122301100
5312213103224
623552112120
73664016235
oct1146326120
9366060083
10161066064
1182a10355
1245b35640
13274a4a83
141756978c
15e218429
hex999ac50

161066064 has 20 divisors (see below), whose sum is σ = 416087456. Its totient is φ = 53688672.

The previous prime is 161066063. The next prime is 161066071. The reversal of 161066064 is 460660161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161066063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677724 + ... + 1677819.

Almost surely, 2161066064 is an apocalyptic number.

It is an amenable number.

161066064 is an abundant number, since it is smaller than the sum of its proper divisors (255021392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161066064 is a wasteful number, since it uses less digits than its factorization.

161066064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355554 (or 3355548 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 161066064 is about 12691.1805597431. The cubic root of 161066064 is about 544.0865815191.

The spelling of 161066064 in words is "one hundred sixty-one million, sixty-six thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 3355543 6711086 10066629 13422172 20133258 26844344 40266516 53688688 80533032 161066064