61658152 has 8 divisors (see below), whose sum is σ = 115609050. Its totient is φ = 30829072.

The previous prime is 61658141. The next prime is 61658153. The reversal of 61658152 is 25185616.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49084036 + 12574116 = 7006^2 + 3546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (61658153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853627 + ... + 3853642.

Almost surely, 2^61658152 is an apocalyptic number.

It is an amenable number.

61658152 is a deficient number, since it is larger than the sum of its proper divisors (53950898).

61658152 is a wasteful number, since it uses less digits than its factorization.

61658152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707275 (or 7707271 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 61658152 is about 7852.2704996708. The cubic root of 61658152 is about 395.0604020219.

The spelling of 61658152 in words is "sixty-one million, six hundred fifty-eight thousand, one hundred fifty-two".