61354066 has 16 divisors (see below), whose sum is σ = 95465880. Its totient is φ = 29548800.

The previous prime is 61354063. The next prime is 61354099. The reversal of 61354066 is 66045316.

It can be written as a sum of positive squares in 4 ways, for example, as 60295225 + 1058841 = 7765^2 + 1029^2 .

It is not an unprimeable number, because it can be changed into a prime (61354061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370 + ... + 11578.

Almost surely, 2^61354066 is an apocalyptic number.

61354066 is a deficient number, since it is larger than the sum of its proper divisors (34111814).

61354066 is a wasteful number, since it uses less digits than its factorization.

61354066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 61354066 is about 7832.8836324817. The cubic root of 61354066 is about 394.4098777676.

It can be divided in two parts, 6135 and 4066, that added together give a palindrome (10201).

The spelling of 61354066 in words is "sixty-one million, three hundred fifty-four thousand, sixty-six".