1601466145 has 16 divisors (see below), whose sum is σ = 1942986240. Its totient is φ = 1267055424.

The previous prime is 1601466143. The next prime is 1601466161. The reversal of 1601466145 is 5416641061.

It is a cyclic number.

It is not a de Polignac number, because 1601466145 - 2¹ = 1601466143 is a prime.

It is a super-2 number, since 2×1601466145² = 5129387627162322050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1601466145.

It is not an unprimeable number, because it can be changed into a prime (1601466143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511896 + ... + 515014.

It is an arithmetic number, because the mean of its divisors is an integer number (121436640).

Almost surely, 2^1601466145 is an apocalyptic number.

It is an amenable number.

1601466145 is a deficient number, since it is larger than the sum of its proper divisors (341520095).

1601466145 is a wasteful number, since it uses less digits than its factorization.

1601466145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224.

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

The square root of 1601466145 is about 40018.3226160218. The cubic root of 1601466145 is about 1169.9642390511.

The spelling of 1601466145 in words is "one billion, six hundred one million, four hundred sixty-six thousand, one hundred forty-five".