61960166 has 4 divisors (see below), whose sum is σ = 92940252. Its totient is φ = 30980082.

The previous prime is 61960139. The next prime is 61960181. The reversal of 61960166 is 66106916.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15490040 + ... + 15490043.

It is an arithmetic number, because the mean of its divisors is an integer number (23235063).

Almost surely, 2^61960166 is an apocalyptic number.

61960166 is a deficient number, since it is larger than the sum of its proper divisors (30980086).

61960166 is a wasteful number, since it uses less digits than its factorization.

61960166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30980085.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 61960166 is about 7871.4780060672. The cubic root of 61960166 is about 395.7043800913.

It can be divided in two parts, 61960 and 166, that added together give a palindrome (62126).

The spelling of 61960166 in words is "sixty-one million, nine hundred sixty thousand, one hundred sixty-six".