61016146 has 8 divisors (see below), whose sum is σ = 91686780. Its totient is φ = 30453888.

The previous prime is 61016141. The next prime is 61016161. The reversal of 61016146 is 64161016.

It can be written as a sum of positive squares in 2 ways, for example, as 59830225 + 1185921 = 7735^2 + 1089^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 61016146.

It is not an unprimeable number, because it can be changed into a prime (61016141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25671 + ... + 27946.

Almost surely, 2^61016146 is an apocalyptic number.

61016146 is a deficient number, since it is larger than the sum of its proper divisors (30670634).

61016146 is a wasteful number, since it uses less digits than its factorization.

61016146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54188.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 61016146 is about 7811.2832492491. The cubic root of 61016146 is about 393.6844467674.

The spelling of 61016146 in words is "sixty-one million, sixteen thousand, one hundred forty-six".