61490161762 has 16 divisors (see below), whose sum is σ = 97463773440. Its totient is φ = 29036079072.

The previous prime is 61490161639. The next prime is 61490161771. The reversal of 61490161762 is 26716109416.

It is a super-3 number, since 3×61490161762³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8456763 + ... + 8464030.

It is an arithmetic number, because the mean of its divisors is an integer number (6091485840).

Almost surely, 2^61490161762 is an apocalyptic number.

61490161762 is a deficient number, since it is larger than the sum of its proper divisors (35973611678).

61490161762 is a wasteful number, since it uses less digits than its factorization.

61490161762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16920897.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 61490161762 in words is "sixty-one billion, four hundred ninety million, one hundred sixty-one thousand, seven hundred sixty-two".