62616161 has 4 divisors (see below), whose sum is σ = 63797652. Its totient is φ = 61434672.

The previous prime is 62616137. The next prime is 62616167. The reversal of 62616161 is 16161626.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21911761 + 40704400 = 4681^2 + 6380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62616161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (62616167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590666 + ... + 590771.

It is an arithmetic number, because the mean of its divisors is an integer number (15949413).

Almost surely, 2^62616161 is an apocalyptic number.

It is an amenable number.

62616161 is a deficient number, since it is larger than the sum of its proper divisors (1181491).

62616161 is a wasteful number, since it uses less digits than its factorization.

62616161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181490.

The product of its digits is 2592, while the sum is 29.

The square root of 62616161 is about 7913.0374067105. The cubic root of 62616161 is about 397.0959696248.

Adding to 62616161 its reverse (16161626), we get a palindrome (78777787).

The spelling of 62616161 in words is "sixty-two million, six hundred sixteen thousand, one hundred sixty-one".