61673994462 has 16 divisors (see below), whose sum is σ = 123354058752. Its totient is φ = 20556986520.

The previous prime is 61673994461. The next prime is 61673994511. The reversal of 61673994462 is 26449937616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61673994461) 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, 115038 + ... + 369569.

It is an arithmetic number, because the mean of its divisors is an integer number (7709628672).

Almost surely, 2^61673994462 is an apocalyptic number.

61673994462 is an abundant number, since it is smaller than the sum of its proper divisors (61680064290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61673994462 is a wasteful number, since it uses less digits than its factorization.

61673994462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505823.

The product of its digits is 11757312, while the sum is 57.

The spelling of 61673994462 in words is "sixty-one billion, six hundred seventy-three million, nine hundred ninety-four thousand, four hundred sixty-two".