164261755 has 8 divisors (see below), whose sum is σ = 225273312. Its totient is φ = 112636608.

The previous prime is 164261749. The next prime is 164261761. The reversal of 164261755 is 557162461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (164261749) and next prime (164261761).

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

It is not a de Polignac number, because 164261755 - 2⁹ = 164261243 is a prime.

It is a Duffinian 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, 2346562 + ... + 2346631.

It is an arithmetic number, because the mean of its divisors is an integer number (28159164).

Almost surely, 2^164261755 is an apocalyptic number.

164261755 is a deficient number, since it is larger than the sum of its proper divisors (61011557).

164261755 is an equidigital number, since it uses as much as digits as its factorization.

164261755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693205.

The product of its digits is 50400, while the sum is 37.

The square root of 164261755 is about 12816.4642159997. The cubic root of 164261755 is about 547.6614259586.

It can be divided in two parts, 16426 and 1755, that added together give a palindrome (18181).

The spelling of 164261755 in words is "one hundred sixty-four million, two hundred sixty-one thousand, seven hundred fifty-five".