61106136 has 128 divisors (see below), whose sum is σ = 192192000. Its totient is φ = 16087680.

The previous prime is 61106107. The next prime is 61106141. The reversal of 61106136 is 63160116.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106731 + ... + 107301.

It is an arithmetic number, because the mean of its divisors is an integer number (1501500).

Almost surely, 2^61106136 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 61106136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96096000).

61106136 is an abundant number, since it is smaller than the sum of its proper divisors (131085864).

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

61106136 is a wasteful number, since it uses less digits than its factorization.

61106136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 61106136 is about 7817.0413840532. The cubic root of 61106136 is about 393.8778942565.

It can be divided in two parts, 6110 and 6136, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 61106136 in words is "sixty-one million, one hundred six thousand, one hundred thirty-six".