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164142741 = 377816321

164142741 has 8 divisors (see below), whose sum is σ = 250122304. Its totient is φ = 93795840.

The previous prime is 164142731. The next prime is 164142751. The reversal of 164142741 is 147241461.

164142741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164142731) and next prime (164142751).

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

It is not a de Polignac number, because 164142741 - 26 = 164142677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164142699 and 164142708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164142731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3908140 + ... + 3908181.

It is an arithmetic number, because the mean of its divisors is an integer number (31265288).

Almost surely, 2164142741 is an apocalyptic number.

It is an amenable number.

164142741 is a deficient number, since it is larger than the sum of its proper divisors (85979563).

164142741 is an equidigital number, since it uses as much as digits as its factorization.

164142741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816331.

The product of its digits is 5376, while the sum is 30.

The square root of 164142741 is about 12811.8203624622. The cubic root of 164142741 is about 547.5291267005.

The spelling of 164142741 in words is "one hundred sixty-four million, one hundred forty-two thousand, seven hundred forty-one".

Divisors: 1 3 7 21 7816321 23448963 54714247 164142741