61662146 has 16 divisors (see below), whose sum is σ = 113838144. Its totient is φ = 24393744.

The previous prime is 61662127. The next prime is 61662157. The reversal of 61662146 is 64126616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169220 + ... + 169583.

It is an arithmetic number, because the mean of its divisors is an integer number (7114884).

Almost surely, 2^61662146 is an apocalyptic number.

61662146 is a deficient number, since it is larger than the sum of its proper divisors (52175998).

61662146 is a wasteful number, since it uses less digits than its factorization.

61662146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338825.

The product of its digits is 10368, while the sum is 32.

The square root of 61662146 is about 7852.5248168981. The cubic root of 61662146 is about 395.0689320493.

The spelling of 61662146 in words is "sixty-one million, six hundred sixty-two thousand, one hundred forty-six".