61013066 has 16 divisors (see below), whose sum is σ = 100526400. Its totient is φ = 27643968.

The previous prime is 61013059. The next prime is 61013101. The reversal of 61013066 is 66031016.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 34031 + ... + 35778.

It is an arithmetic number, because the mean of its divisors is an integer number (6282900).

Almost surely, 2^61013066 is an apocalyptic number.

61013066 is a deficient number, since it is larger than the sum of its proper divisors (39513334).

61013066 is a wasteful number, since it uses less digits than its factorization.

61013066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69853.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 61013066 is about 7811.0860960560. The cubic root of 61013066 is about 393.6778224634.

The spelling of 61013066 in words is "sixty-one million, thirteen thousand, sixty-six".