61602163152 has 80 divisors (see below), whose sum is σ = 168589031040. Its totient is φ = 19315961856.

The previous prime is 61602163141. The next prime is 61602163163. The reversal of 61602163152 is 25136120616.

It is an interprime number because it is at equal distance from previous prime (61602163141) and next prime (61602163163).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607349 + ... + 1645227.

It is an arithmetic number, because the mean of its divisors is an integer number (2107362888).

Almost surely, 2^61602163152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61602163152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84294515520).

61602163152 is an abundant number, since it is smaller than the sum of its proper divisors (106986867888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61602163152 is a wasteful number, since it uses less digits than its factorization.

61602163152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39900 (or 39894 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 61602163152 its reverse (25136120616), we get a palindrome (86738283768).

The spelling of 61602163152 in words is "sixty-one billion, six hundred two million, one hundred sixty-three thousand, one hundred fifty-two".