61602163151 has 4 divisors (see below), whose sum is σ = 61602676872. Its totient is φ = 61601649432.

The previous prime is 61602163141. The next prime is 61602163163. The reversal of 61602163151 is 15136120616.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 61602163151 - 2³⁴ = 44422293967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61602163141) 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, 29216 + ... + 352218.

It is an arithmetic number, because the mean of its divisors is an integer number (15400669218).

Almost surely, 2^61602163151 is an apocalyptic number.

61602163151 is a deficient number, since it is larger than the sum of its proper divisors (513721).

61602163151 is a wasteful number, since it uses less digits than its factorization.

61602163151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513720.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 61602163151 its reverse (15136120616), we get a palindrome (76738283767).

The spelling of 61602163151 in words is "sixty-one billion, six hundred two million, one hundred sixty-three thousand, one hundred fifty-one".