1601650546 has 16 divisors (see below), whose sum is σ = 2549696184. Its totient is φ = 751970304.

The previous prime is 1601650511. The next prime is 1601650549. The reversal of 1601650546 is 6450561061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1353430521 + 248220025 = 36789^2 + 15755^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1601650549) 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, 39675 + ... + 69118.

Almost surely, 2^1601650546 is an apocalyptic number.

1601650546 is a deficient number, since it is larger than the sum of its proper divisors (948045638).

1601650546 is a wasteful number, since it uses less digits than its factorization.

1601650546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109245.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1601650546 is about 40020.6265068402. The cubic root of 1601650546 is about 1170.0091425492.

The spelling of 1601650546 in words is "one billion, six hundred one million, six hundred fifty thousand, five hundred forty-six".