61472152320 has 144 divisors (see below), whose sum is σ = 207875535840. Its totient is φ = 15428288512.

The previous prime is 61472152309. The next prime is 61472152321. The reversal of 61472152320 is 2325127416.

It is not an unprimeable number, because it can be changed into a prime (61472152321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405555 + ... + 536114.

It is an arithmetic number, because the mean of its divisors is an integer number (1443580110).

Almost surely, 2^61472152320 is an apocalyptic number.

61472152320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61472152320 is an abundant number, since it is smaller than the sum of its proper divisors (146403383520).

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

61472152320 is a wasteful number, since it uses less digits than its factorization.

61472152320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941710 (or 941696 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 61472152320 its reverse (2325127416), we get a palindrome (63797279736).

The spelling of 61472152320 in words is "sixty-one billion, four hundred seventy-two million, one hundred fifty-two thousand, three hundred twenty".