61016066150655 has 64 divisors (see below), whose sum is σ = 122333009660928. Its totient is φ = 25228608706560.

The previous prime is 61016066150587. The next prime is 61016066150731. The reversal of 61016066150655 is 55605166061016.

It is not a de Polignac number, because 61016066150655 - 2¹¹ = 61016066148607 is a prime.

It is a super-2 number, since 2×61016066150655² (a number of 28 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 63 ways as a sum of consecutive naturals, for example, 133853082 + ... + 134308151.

It is an arithmetic number, because the mean of its divisors is an integer number (1911453275952).

Almost surely, 2^{61016066150655} is an apocalyptic number.

61016066150655 is an abundant number, since it is smaller than the sum of its proper divisors (61316943510273).

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

61016066150655 is a wasteful number, since it uses less digits than its factorization.

61016066150655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268161456.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 61016066150655 in words is "sixty-one trillion, sixteen billion, sixty-six million, one hundred fifty thousand, six hundred fifty-five".