61614668 has 6 divisors (see below), whose sum is σ = 107825676. Its totient is φ = 30807332.

The previous prime is 61614659. The next prime is 61614689. The reversal of 61614668 is 86641616.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7701830 + ... + 7701837.

It is an arithmetic number, because the mean of its divisors is an integer number (17970946).

Almost surely, 2^61614668 is an apocalyptic number.

It is an amenable number.

61614668 is a deficient number, since it is larger than the sum of its proper divisors (46211008).

61614668 is a wasteful number, since it uses less digits than its factorization.

61614668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403671 (or 15403669 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 61614668 is about 7849.5011306452. The cubic root of 61614668 is about 394.9675089442.

The spelling of 61614668 in words is "sixty-one million, six hundred fourteen thousand, six hundred sixty-eight".