6161501506 has 16 divisors (see below), whose sum is σ = 9428837400. Its totient is φ = 3019168768.

The previous prime is 6161501483. The next prime is 6161501513. The reversal of 6161501506 is 6051051616.

It can be written as a sum of positive squares in 4 ways, for example, as 1171350625 + 4990150881 = 34225^2 + 70641^2 .

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, 133051 + ... + 173278.

Almost surely, 2^6161501506 is an apocalyptic number.

6161501506 is a deficient number, since it is larger than the sum of its proper divisors (3267335894).

6161501506 is a wasteful number, since it uses less digits than its factorization.

6161501506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306533.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 6161501506 is about 78495.2323775145. The cubic root of 6161501506 is about 1833.2802212786.

The spelling of 6161501506 in words is "six billion, one hundred sixty-one million, five hundred one thousand, five hundred six".