61535036100166 has 4 divisors (see below), whose sum is σ = 92302554150252. Its totient is φ = 30767518050082.

The previous prime is 61535036100121. The next prime is 61535036100173. The reversal of 61535036100166 is 66100163053516.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15383759025040 + ... + 15383759025043.

It is an arithmetic number, because the mean of its divisors is an integer number (23075638537563).

Almost surely, 2^{61535036100166} is an apocalyptic number.

61535036100166 is a deficient number, since it is larger than the sum of its proper divisors (30767518050086).

61535036100166 is a wasteful number, since it uses less digits than its factorization.

61535036100166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30767518050085.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 61535036100166 in words is "sixty-one trillion, five hundred thirty-five billion, thirty-six million, one hundred thousand, one hundred sixty-six".