61651006598 has 8 divisors (see below), whose sum is σ = 92728490592. Its totient is φ = 30741509736.

The previous prime is 61651006541. The next prime is 61651006603. The reversal of 61651006598 is 89560015616.

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

It is a super-2 number, since 2×61651006598² (a number of 22 digits) contains 22 as substring.

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, 41995865 + ... + 41997332.

It is an arithmetic number, because the mean of its divisors is an integer number (11591061324).

Almost surely, 2^61651006598 is an apocalyptic number.

61651006598 is a deficient number, since it is larger than the sum of its proper divisors (31077483994).

61651006598 is a wasteful number, since it uses less digits than its factorization.

61651006598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83993566.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 61651006598 in words is "sixty-one billion, six hundred fifty-one million, six thousand, five hundred ninety-eight".