61671148 has 24 divisors (see below), whose sum is σ = 134555904. Its totient is φ = 24027600.

The previous prime is 61671143. The next prime is 61671151. The reversal of 61671148 is 84117616.

It is not an unprimeable number, because it can be changed into a prime (61671143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99808 + ... + 100423.

It is an arithmetic number, because the mean of its divisors is an integer number (5606496).

Almost surely, 2^61671148 is an apocalyptic number.

It is an amenable number.

61671148 is an abundant number, since it is smaller than the sum of its proper divisors (72884756).

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

61671148 is a wasteful number, since it uses less digits than its factorization.

61671148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200253 (or 200251 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 61671148 is about 7853.0979874187. The cubic root of 61671148 is about 395.0881563639.

The spelling of 61671148 in words is "sixty-one million, six hundred seventy-one thousand, one hundred forty-eight".