61020160 has 96 divisors (see below), whose sum is σ = 150368400. Its totient is φ = 23756800.

The previous prime is 61020151. The next prime is 61020163. The reversal of 61020160 is 6102016.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61020163) 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, 604110 + ... + 604210.

Almost surely, 2^61020160 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 61020160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75184200).

61020160 is an abundant number, since it is smaller than the sum of its proper divisors (89348240).

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

61020160 is a wasteful number, since it uses less digits than its factorization.

61020160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 61020160 is about 7811.5401810398. The cubic root of 61020160 is about 393.6930795355.

Adding to 61020160 its reverse (6102016), we get a palindrome (67122176).

The spelling of 61020160 in words is "sixty-one million, twenty thousand, one hundred sixty".