61148886 has 8 divisors (see below), whose sum is σ = 122297784. Its totient is φ = 20382960.

The previous prime is 61148869. The next prime is 61148903. The reversal of 61148886 is 68884116.

It is an interprime number because it is at equal distance from previous prime (61148869) and next prime (61148903).

It is a sphenic number, since it is the product of 3 distinct primes.

61148886 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095735 + ... + 5095746.

It is an arithmetic number, because the mean of its divisors is an integer number (15287223).

Almost surely, 2^61148886 is an apocalyptic number.

61148886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61148886 is a wasteful number, since it uses less digits than its factorization.

61148886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191486.

The product of its digits is 73728, while the sum is 42.

The square root of 61148886 is about 7819.7753164653. The cubic root of 61148886 is about 393.9697254861.

The spelling of 61148886 in words is "sixty-one million, one hundred forty-eight thousand, eight hundred eighty-six".