61648904161754 has 32 divisors (see below), whose sum is σ = 120508265154816. Its totient is φ = 22953955265280.

The previous prime is 61648904161711. The next prime is 61648904161759. The reversal of 61648904161754 is 45716140984616.

It is a super-2 number, since 2×61648904161754² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61648904161759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9962651102 + ... + 9962657289.

It is an arithmetic number, because the mean of its divisors is an integer number (3765883286088).

Almost surely, 2^{61648904161754} is an apocalyptic number.

61648904161754 is a deficient number, since it is larger than the sum of its proper divisors (58859360993062).

61648904161754 is a wasteful number, since it uses less digits than its factorization.

61648904161754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19925308430.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 61648904161754 in words is "sixty-one trillion, six hundred forty-eight billion, nine hundred four million, one hundred sixty-one thousand, seven hundred fifty-four".