1615166161061 has 8 divisors (see below), whose sum is σ = 1700188243200. Its totient is φ = 1530145412640.

The previous prime is 1615166160991. The next prime is 1615166161067. The reversal of 1615166161061 is 1601616615161.

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

It is a cyclic number.

It is not a de Polignac number, because 1615166161061 - 2¹⁴ = 1615166144677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1615166161067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014321 + ... + 3509481.

It is an arithmetic number, because the mean of its divisors is an integer number (212523530400).

Almost surely, 2^{1615166161061} is an apocalyptic number.

It is an amenable number.

1615166161061 is a deficient number, since it is larger than the sum of its proper divisors (85022082139).

1615166161061 is a wasteful number, since it uses less digits than its factorization.

1615166161061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666859.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 1615166161061 in words is "one trillion, six hundred fifteen billion, one hundred sixty-six million, one hundred sixty-one thousand, sixty-one".