1601150161 has 8 divisors (see below), whose sum is σ = 1724627520. Its totient is φ = 1477717392.

The previous prime is 1601150153. The next prime is 1601150171. The reversal of 1601150161 is 1610511061.

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 1601150161 - 2³ = 1601150153 is a prime.

It is a super-3 number, since 3×1601150161³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601150101) 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, 126060 + ... + 138178.

It is an arithmetic number, because the mean of its divisors is an integer number (215578440).

Almost surely, 2^1601150161 is an apocalyptic number.

It is an amenable number.

1601150161 is a deficient number, since it is larger than the sum of its proper divisors (123477359).

1601150161 is a wasteful number, since it uses less digits than its factorization.

1601150161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22295.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1601150161 is about 40014.3744296971. The cubic root of 1601150161 is about 1169.8872857547.

The spelling of 1601150161 in words is "one billion, six hundred one million, one hundred fifty thousand, one hundred sixty-one".