61677701630 has 8 divisors (see below), whose sum is σ = 111019862952. Its totient is φ = 24671080648.

The previous prime is 61677701629. The next prime is 61677701641. The reversal of 61677701630 is 3610777616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083885072 + ... + 3083885091.

It is an arithmetic number, because the mean of its divisors is an integer number (13877482869).

Almost surely, 2^61677701630 is an apocalyptic number.

61677701630 is a deficient number, since it is larger than the sum of its proper divisors (49342161322).

61677701630 is a wasteful number, since it uses less digits than its factorization.

61677701630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167770170.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 61677701630 in words is "sixty-one billion, six hundred seventy-seven million, seven hundred one thousand, six hundred thirty".