61159376 has 40 divisors (see below), whose sum is σ = 124043400. Its totient is φ = 29173760.

The previous prime is 61159367. The next prime is 61159391. The reversal of 61159376 is 67395116.

It can be written as a sum of positive squares in 4 ways, for example, as 2483776 + 58675600 = 1576^2 + 7660^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40556 + ... + 42036.

It is an arithmetic number, because the mean of its divisors is an integer number (3101085).

Almost surely, 2^61159376 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 61159376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62021700).

61159376 is an abundant number, since it is smaller than the sum of its proper divisors (62884024).

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

61159376 is a wasteful number, since it uses less digits than its factorization.

61159376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1601 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 61159376 is about 7820.4460230859. The cubic root of 61159376 is about 393.9922525038.

The spelling of 61159376 in words is "sixty-one million, one hundred fifty-nine thousand, three hundred seventy-six".