61670010654 has 36 divisors (see below), whose sum is σ = 155433600504. Its totient is φ = 17620002792.

The previous prime is 61670010637. The next prime is 61670010683. The reversal of 61670010654 is 45601007616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34959442 + ... + 34961205.

It is an arithmetic number, because the mean of its divisors is an integer number (4317600014).

Almost surely, 2^61670010654 is an apocalyptic number.

61670010654 is an abundant number, since it is smaller than the sum of its proper divisors (93763589850).

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

61670010654 is a wasteful number, since it uses less digits than its factorization.

61670010654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69920669 (or 69920659 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 61670010654 in words is "sixty-one billion, six hundred seventy million, ten thousand, six hundred fifty-four".