61607646157486 has 32 divisors (see below), whose sum is σ = 108967938057216. Its totient is φ = 25753976892000.

The previous prime is 61607646157469. The next prime is 61607646157487. The reversal of 61607646157486 is 68475164670616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61607646157487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397360410 + ... + 397515421.

It is an arithmetic number, because the mean of its divisors is an integer number (3405248064288).

Almost surely, 2^{61607646157486} is an apocalyptic number.

61607646157486 is a deficient number, since it is larger than the sum of its proper divisors (47360291899730).

61607646157486 is a wasteful number, since it uses less digits than its factorization.

61607646157486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794876128.

The product of its (nonzero) digits is 243855360, while the sum is 67.

The spelling of 61607646157486 in words is "sixty-one trillion, six hundred seven billion, six hundred forty-six million, one hundred fifty-seven thousand, four hundred eighty-six".