60661536 has 72 divisors (see below), whose sum is σ = 172473840. Its totient is φ = 18660096.

The previous prime is 60661529. The next prime is 60661543. The reversal of 60661536 is 63516606.

It is an interprime number because it is at equal distance from previous prime (60661529) and next prime (60661543).

It is a junction number, because it is equal to n+sod(n) for n = 60661497 and 60661506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14355 + ... + 18093.

It is an arithmetic number, because the mean of its divisors is an integer number (2395470).

Almost surely, 2^60661536 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 60661536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86236920).

60661536 is an abundant number, since it is smaller than the sum of its proper divisors (111812304).

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

60661536 is a wasteful number, since it uses less digits than its factorization.

60661536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778 (or 3757 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 60661536 is about 7788.5515983397. The cubic root of 60661536 is about 392.9203005771.

It can be divided in two parts, 606615 and 36, that added together give a triangular number (606651 = T₁₁₀₁).

The spelling of 60661536 in words is "sixty million, six hundred sixty-one thousand, five hundred thirty-six".